Home / 18,956,497-26,159,887.10-10,254,648.18

Finding the Fourth Proportional to 18,956,497, 26,159,887.10 and 10,254,648.18

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Solution

The fourth proportional to 18,956,497, 26,159,887.10 and 10,254,648.18 is: 14,151,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956,497 : 26,159,887.10 = 10,254,648.18 : x
  2. Step 2: Convert to fraction form
    18,956,497/26,159,887.10 = 10,254,648.18/x
  3. Step 3: Cross multiply
    18,956,497x = 26,159,887.10 × 10,254,648.18
  4. Step 4: Simplify right side
    18,956,497x = 268,260,438,639,020.50
  5. Step 5: Solve for x
    x = 268,260,438,639,020.50/18,956,497
  6. Step 6: Final answer
    x = 14,151,371.88

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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.