Home / 9,448,859.20-13,039,422.24-5,156,507.20

Finding the Fourth Proportional to 9,448,859.20, 13,039,422.24 and 5,156,507.20

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Solution

The fourth proportional to 9,448,859.20, 13,039,422.24 and 5,156,507.20 is: 7,115,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448,859.20 : 13,039,422.24 = 5,156,507.20 : x
  2. Step 2: Convert to fraction form
    9,448,859.20/13,039,422.24 = 5,156,507.20/x
  3. Step 3: Cross multiply
    9,448,859.20x = 13,039,422.24 × 5,156,507.20
  4. Step 4: Simplify right side
    9,448,859.20x = 67,237,874,664,400.13
  5. Step 5: Solve for x
    x = 67,237,874,664,400.13/9,448,859.20
  6. Step 6: Final answer
    x = 7,115,978.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.