Home / 7,438,205.02-11,152,213.95-3,787,868.88

Finding the Fourth Proportional to 7,438,205.02, 11,152,213.95 and 3,787,868.88

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Solution

The fourth proportional to 7,438,205.02, 11,152,213.95 and 3,787,868.88 is: 5,679,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,205.02 : 11,152,213.95 = 3,787,868.88 : x
  2. Step 2: Convert to fraction form
    7,438,205.02/11,152,213.95 = 3,787,868.88/x
  3. Step 3: Cross multiply
    7,438,205.02x = 11,152,213.95 × 3,787,868.88
  4. Step 4: Simplify right side
    7,438,205.02x = 42,243,124,164,306.88
  5. Step 5: Solve for x
    x = 42,243,124,164,306.88/7,438,205.02
  6. Step 6: Final answer
    x = 5,679,209.44

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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.