Home / 10,651,625.40-15,977,438.10-6,389,599.80

Finding the Fourth Proportional to 10,651,625.40, 15,977,438.10 and 6,389,599.80

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Solution

The fourth proportional to 10,651,625.40, 15,977,438.10 and 6,389,599.80 is: 9,584,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,625.40 : 15,977,438.10 = 6,389,599.80 : x
  2. Step 2: Convert to fraction form
    10,651,625.40/15,977,438.10 = 6,389,599.80/x
  3. Step 3: Cross multiply
    10,651,625.40x = 15,977,438.10 × 6,389,599.80
  4. Step 4: Simplify right side
    10,651,625.40x = 102,089,435,288,272.38
  5. Step 5: Solve for x
    x = 102,089,435,288,272.38/10,651,625.40
  6. Step 6: Final answer
    x = 9,584,399.70

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Double scale
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Similar ratio
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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.