Home / 13,840,153.38-20,760,795.45-4,748,502.78

Finding the Fourth Proportional to 13,840,153.38, 20,760,795.45 and 4,748,502.78

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Solution

The fourth proportional to 13,840,153.38, 20,760,795.45 and 4,748,502.78 is: 7,122,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,153.38 : 20,760,795.45 = 4,748,502.78 : x
  2. Step 2: Convert to fraction form
    13,840,153.38/20,760,795.45 = 4,748,502.78/x
  3. Step 3: Cross multiply
    13,840,153.38x = 20,760,795.45 × 4,748,502.78
  4. Step 4: Simplify right side
    13,840,153.38x = 98,582,694,909,336.36
  5. Step 5: Solve for x
    x = 98,582,694,909,336.36/13,840,153.38
  6. Step 6: Final answer
    x = 7,122,948.15

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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.