Home / 15,830,520.71-21,846,488.48-8,861,024.96

Finding the Fourth Proportional to 15,830,520.71, 21,846,488.48 and 8,861,024.96

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Solution

The fourth proportional to 15,830,520.71, 21,846,488.48 and 8,861,024.96 is: 12,228,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830,520.71 : 21,846,488.48 = 8,861,024.96 : x
  2. Step 2: Convert to fraction form
    15,830,520.71/21,846,488.48 = 8,861,024.96/x
  3. Step 3: Cross multiply
    15,830,520.71x = 21,846,488.48 × 8,861,024.96
  4. Step 4: Simplify right side
    15,830,520.71x = 193,582,279,556,094.91
  5. Step 5: Solve for x
    x = 193,582,279,556,094.91/15,830,520.71
  6. Step 6: Final answer
    x = 12,228,421.49

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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.