Home / 18,850,002.15-28,276,626.51-5,203,151.31

Finding the Fourth Proportional to 18,850,002.15, 28,276,626.51 and 5,203,151.31

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Solution

The fourth proportional to 18,850,002.15, 28,276,626.51 and 5,203,151.31 is: 7,805,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850,002.15 : 28,276,626.51 = 5,203,151.31 : x
  2. Step 2: Convert to fraction form
    18,850,002.15/28,276,626.51 = 5,203,151.31/x
  3. Step 3: Cross multiply
    18,850,002.15x = 28,276,626.51 × 5,203,151.31
  4. Step 4: Simplify right side
    18,850,002.15x = 147,127,566,267,887.22
  5. Step 5: Solve for x
    x = 147,127,566,267,887.22/18,850,002.15
  6. Step 6: Final answer
    x = 7,805,175.04

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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.