Home / 18,689,124.74-25,790,997.27-10,316,499.59

Finding the Fourth Proportional to 18,689,124.74, 25,790,997.27 and 10,316,499.59

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Solution

The fourth proportional to 18,689,124.74, 25,790,997.27 and 10,316,499.59 is: 14,236,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,124.74 : 25,790,997.27 = 10,316,499.59 : x
  2. Step 2: Convert to fraction form
    18,689,124.74/25,790,997.27 = 10,316,499.59/x
  3. Step 3: Cross multiply
    18,689,124.74x = 25,790,997.27 × 10,316,499.59
  4. Step 4: Simplify right side
    18,689,124.74x = 266,072,812,864,810.47
  5. Step 5: Solve for x
    x = 266,072,812,864,810.47/18,689,124.74
  6. Step 6: Final answer
    x = 14,236,772.27

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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.