Home / 28,758,697.62-43,138,932.18-12,576,319.18

Finding the Fourth Proportional to 28,758,697.62, 43,138,932.18 and 12,576,319.18

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Solution

The fourth proportional to 28,758,697.62, 43,138,932.18 and 12,576,319.18 is: 18,864,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758,697.62 : 43,138,932.18 = 12,576,319.18 : x
  2. Step 2: Convert to fraction form
    28,758,697.62/43,138,932.18 = 12,576,319.18/x
  3. Step 3: Cross multiply
    28,758,697.62x = 43,138,932.18 × 12,576,319.18
  4. Step 4: Simplify right side
    28,758,697.62x = 542,528,980,180,053.19
  5. Step 5: Solve for x
    x = 542,528,980,180,053.19/28,758,697.62
  6. Step 6: Final answer
    x = 18,864,866.11

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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.