Home / 15,584,774.96-21,506,926.92-8,709,255.20

Finding the Fourth Proportional to 15,584,774.96, 21,506,926.92 and 8,709,255.20

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Solution

The fourth proportional to 15,584,774.96, 21,506,926.92 and 8,709,255.20 is: 12,018,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,774.96 : 21,506,926.92 = 8,709,255.20 : x
  2. Step 2: Convert to fraction form
    15,584,774.96/21,506,926.92 = 8,709,255.20/x
  3. Step 3: Cross multiply
    15,584,774.96x = 21,506,926.92 × 8,709,255.20
  4. Step 4: Simplify right side
    15,584,774.96x = 187,309,315,114,029.97
  5. Step 5: Solve for x
    x = 187,309,315,114,029.97/15,584,774.96
  6. Step 6: Final answer
    x = 12,018,737.24

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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.