Home / 9,999,785.32-13,799,639.46-5,650,279.72

Finding the Fourth Proportional to 9,999,785.32, 13,799,639.46 and 5,650,279.72

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Solution

The fourth proportional to 9,999,785.32, 13,799,639.46 and 5,650,279.72 is: 7,797,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,785.32 : 13,799,639.46 = 5,650,279.72 : x
  2. Step 2: Convert to fraction form
    9,999,785.32/13,799,639.46 = 5,650,279.72/x
  3. Step 3: Cross multiply
    9,999,785.32x = 13,799,639.46 × 5,650,279.72
  4. Step 4: Simplify right side
    9,999,785.32x = 77,971,822,984,149.75
  5. Step 5: Solve for x
    x = 77,971,822,984,149.75/9,999,785.32
  6. Step 6: Final answer
    x = 7,797,349.69

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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.