Home / 12,310,373.52-16,990,424.98-7,156,724.42

Finding the Fourth Proportional to 12,310,373.52, 16,990,424.98 and 7,156,724.42

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Solution

The fourth proportional to 12,310,373.52, 16,990,424.98 and 7,156,724.42 is: 9,877,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,373.52 : 16,990,424.98 = 7,156,724.42 : x
  2. Step 2: Convert to fraction form
    12,310,373.52/16,990,424.98 = 7,156,724.42/x
  3. Step 3: Cross multiply
    12,310,373.52x = 16,990,424.98 × 7,156,724.42
  4. Step 4: Simplify right side
    12,310,373.52x = 121,595,789,425,384.86
  5. Step 5: Solve for x
    x = 121,595,789,425,384.86/12,310,373.52
  6. Step 6: Final answer
    x = 9,877,506.09

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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.