Home / 12,102,002.70-18,156,211.65-5,275,646.70

Finding the Fourth Proportional to 12,102,002.70, 18,156,211.65 and 5,275,646.70

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Solution

The fourth proportional to 12,102,002.70, 18,156,211.65 and 5,275,646.70 is: 7,914,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102,002.70 : 18,156,211.65 = 5,275,646.70 : x
  2. Step 2: Convert to fraction form
    12,102,002.70/18,156,211.65 = 5,275,646.70/x
  3. Step 3: Cross multiply
    12,102,002.70x = 18,156,211.65 × 5,275,646.70
  4. Step 4: Simplify right side
    12,102,002.70x = 95,785,758,075,824.05
  5. Step 5: Solve for x
    x = 95,785,758,075,824.05/12,102,002.70
  6. Step 6: Final answer
    x = 7,914,868.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.