Home / 28,249,589.43-42,376,439.45-11,838,400.90

Finding the Fourth Proportional to 28,249,589.43, 42,376,439.45 and 11,838,400.90

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Solution

The fourth proportional to 28,249,589.43, 42,376,439.45 and 11,838,400.90 is: 17,758,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249,589.43 : 42,376,439.45 = 11,838,400.90 : x
  2. Step 2: Convert to fraction form
    28,249,589.43/42,376,439.45 = 11,838,400.90/x
  3. Step 3: Cross multiply
    28,249,589.43x = 42,376,439.45 × 11,838,400.90
  4. Step 4: Simplify right side
    28,249,589.43x = 501,669,278,847,330.44
  5. Step 5: Solve for x
    x = 501,669,278,847,330.44/28,249,589.43
  6. Step 6: Final answer
    x = 17,758,462.65

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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.