Home / 13,702,060.43-18,906,439.85-7,819,008.56

Finding the Fourth Proportional to 13,702,060.43, 18,906,439.85 and 7,819,008.56

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Solution

The fourth proportional to 13,702,060.43, 18,906,439.85 and 7,819,008.56 is: 10,788,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,060.43 : 18,906,439.85 = 7,819,008.56 : x
  2. Step 2: Convert to fraction form
    13,702,060.43/18,906,439.85 = 7,819,008.56/x
  3. Step 3: Cross multiply
    13,702,060.43x = 18,906,439.85 × 7,819,008.56
  4. Step 4: Simplify right side
    13,702,060.43x = 147,829,615,026,275.12
  5. Step 5: Solve for x
    x = 147,829,615,026,275.12/13,702,060.43
  6. Step 6: Final answer
    x = 10,788,860.24

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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.