Home / 31,651,664.40-47,477,496.60-18,897,080.40

Finding the Fourth Proportional to 31,651,664.40, 47,477,496.60 and 18,897,080.40

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Solution

The fourth proportional to 31,651,664.40, 47,477,496.60 and 18,897,080.40 is: 28,345,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,651,664.40 : 47,477,496.60 = 18,897,080.40 : x
  2. Step 2: Convert to fraction form
    31,651,664.40/47,477,496.60 = 18,897,080.40/x
  3. Step 3: Cross multiply
    31,651,664.40x = 47,477,496.60 × 18,897,080.40
  4. Step 4: Simplify right side
    31,651,664.40x = 897,186,070,440,926.62
  5. Step 5: Solve for x
    x = 897,186,070,440,926.62/31,651,664.40
  6. Step 6: Final answer
    x = 28,345,620.60

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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.