Home / 18,760,890.92-25,889,761.70-10,387,460.46

Finding the Fourth Proportional to 18,760,890.92, 25,889,761.70 and 10,387,460.46

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Solution

The fourth proportional to 18,760,890.92, 25,889,761.70 and 10,387,460.46 is: 14,334,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,890.92 : 25,889,761.70 = 10,387,460.46 : x
  2. Step 2: Convert to fraction form
    18,760,890.92/25,889,761.70 = 10,387,460.46/x
  3. Step 3: Cross multiply
    18,760,890.92x = 25,889,761.70 × 10,387,460.46
  4. Step 4: Simplify right side
    18,760,890.92x = 268,928,875,948,850.03
  5. Step 5: Solve for x
    x = 268,928,875,948,850.03/18,760,890.92
  6. Step 6: Final answer
    x = 14,334,547.18

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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.