Home / 12,425,389.61-17,146,874.18-6,843,528.95

Finding the Fourth Proportional to 12,425,389.61, 17,146,874.18 and 6,843,528.95

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Solution

The fourth proportional to 12,425,389.61, 17,146,874.18 and 6,843,528.95 is: 9,443,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,389.61 : 17,146,874.18 = 6,843,528.95 : x
  2. Step 2: Convert to fraction form
    12,425,389.61/17,146,874.18 = 6,843,528.95/x
  3. Step 3: Cross multiply
    12,425,389.61x = 17,146,874.18 × 6,843,528.95
  4. Step 4: Simplify right side
    12,425,389.61x = 117,345,129,784,211.97
  5. Step 5: Solve for x
    x = 117,345,129,784,211.97/12,425,389.61
  6. Step 6: Final answer
    x = 9,443,979.91

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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.