Home / 28,547,562.47-39,394,580.75-15,494,543.18

Finding the Fourth Proportional to 28,547,562.47, 39,394,580.75 and 15,494,543.18

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Solution

The fourth proportional to 28,547,562.47, 39,394,580.75 and 15,494,543.18 is: 21,381,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,562.47 : 39,394,580.75 = 15,494,543.18 : x
  2. Step 2: Convert to fraction form
    28,547,562.47/39,394,580.75 = 15,494,543.18/x
  3. Step 3: Cross multiply
    28,547,562.47x = 39,394,580.75 × 15,494,543.18
  4. Step 4: Simplify right side
    28,547,562.47x = 610,401,032,531,077.38
  5. Step 5: Solve for x
    x = 610,401,032,531,077.38/28,547,562.47
  6. Step 6: Final answer
    x = 21,381,896.73

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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.