Home / 15,472,717.98-21,351,100.02-8,946,770.70

Finding the Fourth Proportional to 15,472,717.98, 21,351,100.02 and 8,946,770.70

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Solution

The fourth proportional to 15,472,717.98, 21,351,100.02 and 8,946,770.70 is: 12,345,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,717.98 : 21,351,100.02 = 8,946,770.70 : x
  2. Step 2: Convert to fraction form
    15,472,717.98/21,351,100.02 = 8,946,770.70/x
  3. Step 3: Cross multiply
    15,472,717.98x = 21,351,100.02 × 8,946,770.70
  4. Step 4: Simplify right side
    15,472,717.98x = 191,023,396,071,705.41
  5. Step 5: Solve for x
    x = 191,023,396,071,705.41/15,472,717.98
  6. Step 6: Final answer
    x = 12,345,820.32

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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.