Home / 12,251,943.40-18,377,915.10-10,572,327.40

Finding the Fourth Proportional to 12,251,943.40, 18,377,915.10 and 10,572,327.40

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Solution

The fourth proportional to 12,251,943.40, 18,377,915.10 and 10,572,327.40 is: 15,858,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,943.40 : 18,377,915.10 = 10,572,327.40 : x
  2. Step 2: Convert to fraction form
    12,251,943.40/18,377,915.10 = 10,572,327.40/x
  3. Step 3: Cross multiply
    12,251,943.40x = 18,377,915.10 × 10,572,327.40
  4. Step 4: Simplify right side
    12,251,943.40x = 194,297,335,366,603.75
  5. Step 5: Solve for x
    x = 194,297,335,366,603.75/12,251,943.40
  6. Step 6: Final answer
    x = 15,858,491.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.