Home / 15,158,151.15-22,751,496.90-7,974,840.30

Finding the Fourth Proportional to 15,158,151.15, 22,751,496.90 and 7,974,840.30

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Solution

The fourth proportional to 15,158,151.15, 22,751,496.90 and 7,974,840.30 is: 11,969,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,158,151.15 : 22,751,496.90 = 7,974,840.30 : x
  2. Step 2: Convert to fraction form
    15,158,151.15/22,751,496.90 = 7,974,840.30/x
  3. Step 3: Cross multiply
    15,158,151.15x = 22,751,496.90 × 7,974,840.30
  4. Step 4: Simplify right side
    15,158,151.15x = 181,439,554,363,445.06
  5. Step 5: Solve for x
    x = 181,439,554,363,445.06/15,158,151.15
  6. Step 6: Final answer
    x = 11,969,768.12

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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.