Home / 18,913,491.28-26,102,226-10,655,175.16

Finding the Fourth Proportional to 18,913,491.28, 26,102,226 and 10,655,175.16

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Solution

The fourth proportional to 18,913,491.28, 26,102,226 and 10,655,175.16 is: 14,705,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913,491.28 : 26,102,226 = 10,655,175.16 : x
  2. Step 2: Convert to fraction form
    18,913,491.28/26,102,226 = 10,655,175.16/x
  3. Step 3: Cross multiply
    18,913,491.28x = 26,102,226 × 10,655,175.16
  4. Step 4: Simplify right side
    18,913,491.28x = 278,123,790,095,906.16
  5. Step 5: Solve for x
    x = 278,123,790,095,906.16/18,913,491.28
  6. Step 6: Final answer
    x = 14,705,047.63

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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.