Home / 15,472,707.45-21,351,085.56-8,946,760.20

Finding the Fourth Proportional to 15,472,707.45, 21,351,085.56 and 8,946,760.20

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Solution

The fourth proportional to 15,472,707.45, 21,351,085.56 and 8,946,760.20 is: 12,345,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,707.45 : 21,351,085.56 = 8,946,760.20 : x
  2. Step 2: Convert to fraction form
    15,472,707.45/21,351,085.56 = 8,946,760.20/x
  3. Step 3: Cross multiply
    15,472,707.45x = 21,351,085.56 × 8,946,760.20
  4. Step 4: Simplify right side
    15,472,707.45x = 191,023,042,515,002.69
  5. Step 5: Solve for x
    x = 191,023,042,515,002.69/15,472,707.45
  6. Step 6: Final answer
    x = 12,345,805.87

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1.5x scale

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.