Home / 12,009,882.80-16,573,563.05-6,503,141.18

Finding the Fourth Proportional to 12,009,882.80, 16,573,563.05 and 6,503,141.18

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Solution

The fourth proportional to 12,009,882.80, 16,573,563.05 and 6,503,141.18 is: 8,974,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,882.80 : 16,573,563.05 = 6,503,141.18 : x
  2. Step 2: Convert to fraction form
    12,009,882.80/16,573,563.05 = 6,503,141.18/x
  3. Step 3: Cross multiply
    12,009,882.80x = 16,573,563.05 × 6,503,141.18
  4. Step 4: Simplify right side
    12,009,882.80x = 107,780,220,369,781.41
  5. Step 5: Solve for x
    x = 107,780,220,369,781.41/12,009,882.80
  6. Step 6: Final answer
    x = 8,974,294.10

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Double scale
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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.