Home / 9,247,755.84-12,761,606.88-5,173,287.36

Finding the Fourth Proportional to 9,247,755.84, 12,761,606.88 and 5,173,287.36

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Solution

The fourth proportional to 9,247,755.84, 12,761,606.88 and 5,173,287.36 is: 7,138,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247,755.84 : 12,761,606.88 = 5,173,287.36 : x
  2. Step 2: Convert to fraction form
    9,247,755.84/12,761,606.88 = 5,173,287.36/x
  3. Step 3: Cross multiply
    9,247,755.84x = 12,761,606.88 × 5,173,287.36
  4. Step 4: Simplify right side
    9,247,755.84x = 66,019,459,565,593.05
  5. Step 5: Solve for x
    x = 66,019,459,565,593.05/9,247,755.84
  6. Step 6: Final answer
    x = 7,138,970.87

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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.