Home / 13,812,499.53-20,720,640.14-4,712,153.78

Finding the Fourth Proportional to 13,812,499.53, 20,720,640.14 and 4,712,153.78

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Solution

The fourth proportional to 13,812,499.53, 20,720,640.14 and 4,712,153.78 is: 7,068,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,499.53 : 20,720,640.14 = 4,712,153.78 : x
  2. Step 2: Convert to fraction form
    13,812,499.53/20,720,640.14 = 4,712,153.78/x
  3. Step 3: Cross multiply
    13,812,499.53x = 20,720,640.14 × 4,712,153.78
  4. Step 4: Simplify right side
    13,812,499.53x = 97,638,842,632,556.78
  5. Step 5: Solve for x
    x = 97,638,842,632,556.78/13,812,499.53
  6. Step 6: Final answer
    x = 7,068,875.73

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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.