Home / 28,030,355.10-42,037,659.45-8,866,986.30

Finding the Fourth Proportional to 28,030,355.10, 42,037,659.45 and 8,866,986.30

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Solution

The fourth proportional to 28,030,355.10, 42,037,659.45 and 8,866,986.30 is: 13,297,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,355.10 : 42,037,659.45 = 8,866,986.30 : x
  2. Step 2: Convert to fraction form
    28,030,355.10/42,037,659.45 = 8,866,986.30/x
  3. Step 3: Cross multiply
    28,030,355.10x = 42,037,659.45 × 8,866,986.30
  4. Step 4: Simplify right side
    28,030,355.10x = 372,747,350,427,215.56
  5. Step 5: Solve for x
    x = 372,747,350,427,215.56/28,030,355.10
  6. Step 6: Final answer
    x = 13,297,988.88

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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.