Home / 10,151,542.06-15,191,728.76-7,276,078.10

Finding the Fourth Proportional to 10,151,542.06, 15,191,728.76 and 7,276,078.10

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Solution

The fourth proportional to 10,151,542.06, 15,191,728.76 and 7,276,078.10 is: 10,888,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151,542.06 : 15,191,728.76 = 7,276,078.10 : x
  2. Step 2: Convert to fraction form
    10,151,542.06/15,191,728.76 = 7,276,078.10/x
  3. Step 3: Cross multiply
    10,151,542.06x = 15,191,728.76 × 7,276,078.10
  4. Step 4: Simplify right side
    10,151,542.06x = 110,536,204,931,776.16
  5. Step 5: Solve for x
    x = 110,536,204,931,776.16/10,151,542.06
  6. Step 6: Final answer
    x = 10,888,612.22

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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.