Home / 15,442,731.88-21,304,582.86-8,911,727.80

Finding the Fourth Proportional to 15,442,731.88, 21,304,582.86 and 8,911,727.80

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Solution

The fourth proportional to 15,442,731.88, 21,304,582.86 and 8,911,727.80 is: 12,294,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,731.88 : 21,304,582.86 = 8,911,727.80 : x
  2. Step 2: Convert to fraction form
    15,442,731.88/21,304,582.86 = 8,911,727.80/x
  3. Step 3: Cross multiply
    15,442,731.88x = 21,304,582.86 × 8,911,727.80
  4. Step 4: Simplify right side
    15,442,731.88x = 189,860,643,340,865.53
  5. Step 5: Solve for x
    x = 189,860,643,340,865.53/15,442,731.88
  6. Step 6: Final answer
    x = 12,294,498.46

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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.