Home / 12,226,395.74-16,872,600.78-6,720,279.71

Finding the Fourth Proportional to 12,226,395.74, 16,872,600.78 and 6,720,279.71

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Solution

The fourth proportional to 12,226,395.74, 16,872,600.78 and 6,720,279.71 is: 9,274,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,395.74 : 16,872,600.78 = 6,720,279.71 : x
  2. Step 2: Convert to fraction form
    12,226,395.74/16,872,600.78 = 6,720,279.71/x
  3. Step 3: Cross multiply
    12,226,395.74x = 16,872,600.78 × 6,720,279.71
  4. Step 4: Simplify right side
    12,226,395.74x = 113,388,596,592,401.17
  5. Step 5: Solve for x
    x = 113,388,596,592,401.17/12,226,395.74
  6. Step 6: Final answer
    x = 9,274,082.00

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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.