Home / 18,385,785.66-25,371,565.43-10,539,673.05

Finding the Fourth Proportional to 18,385,785.66, 25,371,565.43 and 10,539,673.05

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Solution

The fourth proportional to 18,385,785.66, 25,371,565.43 and 10,539,673.05 is: 14,544,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385,785.66 : 25,371,565.43 = 10,539,673.05 : x
  2. Step 2: Convert to fraction form
    18,385,785.66/25,371,565.43 = 10,539,673.05/x
  3. Step 3: Cross multiply
    18,385,785.66x = 25,371,565.43 × 10,539,673.05
  4. Step 4: Simplify right side
    18,385,785.66x = 267,408,004,346,184.31
  5. Step 5: Solve for x
    x = 267,408,004,346,184.31/18,385,785.66
  6. Step 6: Final answer
    x = 14,544,279.44

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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.