Home / 9,989,452.53-13,785,444.54-5,405,773.95

Finding the Fourth Proportional to 9,989,452.53, 13,785,444.54 and 5,405,773.95

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Solution

The fourth proportional to 9,989,452.53, 13,785,444.54 and 5,405,773.95 is: 7,459,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,452.53 : 13,785,444.54 = 5,405,773.95 : x
  2. Step 2: Convert to fraction form
    9,989,452.53/13,785,444.54 = 5,405,773.95/x
  3. Step 3: Cross multiply
    9,989,452.53x = 13,785,444.54 × 5,405,773.95
  4. Step 4: Simplify right side
    9,989,452.53x = 74,520,996,983,501.73
  5. Step 5: Solve for x
    x = 74,520,996,983,501.73/9,989,452.53
  6. Step 6: Final answer
    x = 7,459,968.08

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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.