Home / 15,587,536.86-21,510,429.18-8,712,658.62

Finding the Fourth Proportional to 15,587,536.86, 21,510,429.18 and 8,712,658.62

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Solution

The fourth proportional to 15,587,536.86, 21,510,429.18 and 8,712,658.62 is: 12,023,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587,536.86 : 21,510,429.18 = 8,712,658.62 : x
  2. Step 2: Convert to fraction form
    15,587,536.86/21,510,429.18 = 8,712,658.62/x
  3. Step 3: Cross multiply
    15,587,536.86x = 21,510,429.18 × 8,712,658.62
  4. Step 4: Simplify right side
    15,587,536.86x = 187,413,026,215,026.50
  5. Step 5: Solve for x
    x = 187,413,026,215,026.50/15,587,536.86
  6. Step 6: Final answer
    x = 12,023,261.14

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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.