Home / 10,931,061.90-16,396,592.85-10,109,916.30

Finding the Fourth Proportional to 10,931,061.90, 16,396,592.85 and 10,109,916.30

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Solution

The fourth proportional to 10,931,061.90, 16,396,592.85 and 10,109,916.30 is: 15,164,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,061.90 : 16,396,592.85 = 10,109,916.30 : x
  2. Step 2: Convert to fraction form
    10,931,061.90/16,396,592.85 = 10,109,916.30/x
  3. Step 3: Cross multiply
    10,931,061.90x = 16,396,592.85 × 10,109,916.30
  4. Step 4: Simplify right side
    10,931,061.90x = 165,768,181,318,678.47
  5. Step 5: Solve for x
    x = 165,768,181,318,678.47/10,931,061.90
  6. Step 6: Final answer
    x = 15,164,874.45

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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.