Home / 28,700,461.68-43,061,190.12-13,355,070

Finding the Fourth Proportional to 28,700,461.68, 43,061,190.12 and 13,355,070

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Solution

The fourth proportional to 28,700,461.68, 43,061,190.12 and 13,355,070 is: 20,037,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700,461.68 : 43,061,190.12 = 13,355,070 : x
  2. Step 2: Convert to fraction form
    28,700,461.68/43,061,190.12 = 13,355,070/x
  3. Step 3: Cross multiply
    28,700,461.68x = 43,061,190.12 × 13,355,070
  4. Step 4: Simplify right side
    28,700,461.68x = 575,085,208,335,908.38
  5. Step 5: Solve for x
    x = 575,085,208,335,908.38/28,700,461.68
  6. Step 6: Final answer
    x = 20,037,489.81

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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.