Home / 15,573,132.17-21,490,271.89-8,957,217.50

Finding the Fourth Proportional to 15,573,132.17, 21,490,271.89 and 8,957,217.50

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Solution

The fourth proportional to 15,573,132.17, 21,490,271.89 and 8,957,217.50 is: 12,360,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573,132.17 : 21,490,271.89 = 8,957,217.50 : x
  2. Step 2: Convert to fraction form
    15,573,132.17/21,490,271.89 = 8,957,217.50/x
  3. Step 3: Cross multiply
    15,573,132.17x = 21,490,271.89 × 8,957,217.50
  4. Step 4: Simplify right side
    15,573,132.17x = 192,493,039,323,021.66
  5. Step 5: Solve for x
    x = 192,493,039,323,021.66/15,573,132.17
  6. Step 6: Final answer
    x = 12,360,585.99

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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.