Home / 28,701,516.16-39,608,402.04-15,648,669.16

Finding the Fourth Proportional to 28,701,516.16, 39,608,402.04 and 15,648,669.16

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Solution

The fourth proportional to 28,701,516.16, 39,608,402.04 and 15,648,669.16 is: 21,595,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701,516.16 : 39,608,402.04 = 15,648,669.16 : x
  2. Step 2: Convert to fraction form
    28,701,516.16/39,608,402.04 = 15,648,669.16/x
  3. Step 3: Cross multiply
    28,701,516.16x = 39,608,402.04 × 15,648,669.16
  4. Step 4: Simplify right side
    28,701,516.16x = 619,818,779,480,229.12
  5. Step 5: Solve for x
    x = 619,818,779,480,229.12/28,701,516.16
  6. Step 6: Final answer
    x = 21,595,332.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.