Home / 9,989,452.04-13,785,443.84-5,405,773.44

Finding the Fourth Proportional to 9,989,452.04, 13,785,443.84 and 5,405,773.44

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Solution

The fourth proportional to 9,989,452.04, 13,785,443.84 and 5,405,773.44 is: 7,459,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,452.04 : 13,785,443.84 = 5,405,773.44 : x
  2. Step 2: Convert to fraction form
    9,989,452.04/13,785,443.84 = 5,405,773.44/x
  3. Step 3: Cross multiply
    9,989,452.04x = 13,785,443.84 × 5,405,773.44
  4. Step 4: Simplify right side
    9,989,452.04x = 74,520,986,168,883.61
  5. Step 5: Solve for x
    x = 74,520,986,168,883.61/9,989,452.04
  6. Step 6: Final answer
    x = 7,459,967.36

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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.