Home / 28,430,836.17-42,646,379.24-9,000,157.65

Finding the Fourth Proportional to 28,430,836.17, 42,646,379.24 and 9,000,157.65

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Solution

The fourth proportional to 28,430,836.17, 42,646,379.24 and 9,000,157.65 is: 13,500,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,836.17 : 42,646,379.24 = 9,000,157.65 : x
  2. Step 2: Convert to fraction form
    28,430,836.17/42,646,379.24 = 9,000,157.65/x
  3. Step 3: Cross multiply
    28,430,836.17x = 42,646,379.24 × 9,000,157.65
  4. Step 4: Simplify right side
    28,430,836.17x = 383,824,136,361,687.25
  5. Step 5: Solve for x
    x = 383,824,136,361,687.25/28,430,836.17
  6. Step 6: Final answer
    x = 13,500,276.04

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1.5x scale

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.