Home / 31,651,683.90-47,477,525.85-18,897,099.90

Finding the Fourth Proportional to 31,651,683.90, 47,477,525.85 and 18,897,099.90

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Solution

The fourth proportional to 31,651,683.90, 47,477,525.85 and 18,897,099.90 is: 28,345,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,651,683.90 : 47,477,525.85 = 18,897,099.90 : x
  2. Step 2: Convert to fraction form
    31,651,683.90/47,477,525.85 = 18,897,099.90/x
  3. Step 3: Cross multiply
    31,651,683.90x = 47,477,525.85 × 18,897,099.90
  4. Step 4: Simplify right side
    31,651,683.90x = 897,187,548,992,282.38
  5. Step 5: Solve for x
    x = 897,187,548,992,282.38/31,651,683.90
  6. Step 6: Final answer
    x = 28,345,649.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.