Home / 18,385,784.91-25,371,564.39-10,539,672.30

Finding the Fourth Proportional to 18,385,784.91, 25,371,564.39 and 10,539,672.30

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Solution

The fourth proportional to 18,385,784.91, 25,371,564.39 and 10,539,672.30 is: 14,544,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385,784.91 : 25,371,564.39 = 10,539,672.30 : x
  2. Step 2: Convert to fraction form
    18,385,784.91/25,371,564.39 = 10,539,672.30/x
  3. Step 3: Cross multiply
    18,385,784.91x = 25,371,564.39 × 10,539,672.30
  4. Step 4: Simplify right side
    18,385,784.91x = 267,407,974,408,949.44
  5. Step 5: Solve for x
    x = 267,407,974,408,949.44/18,385,784.91
  6. Step 6: Final answer
    x = 14,544,278.40

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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.