Home / 10,380,046.12-15,573,400.71-4,989,087.47

Finding the Fourth Proportional to 10,380,046.12, 15,573,400.71 and 4,989,087.47

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Solution

The fourth proportional to 10,380,046.12, 15,573,400.71 and 4,989,087.47 is: 7,485,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380,046.12 : 15,573,400.71 = 4,989,087.47 : x
  2. Step 2: Convert to fraction form
    10,380,046.12/15,573,400.71 = 4,989,087.47/x
  3. Step 3: Cross multiply
    10,380,046.12x = 15,573,400.71 × 4,989,087.47
  4. Step 4: Simplify right side
    10,380,046.12x = 77,697,058,347,550.11
  5. Step 5: Solve for x
    x = 77,697,058,347,550.11/10,380,046.12
  6. Step 6: Final answer
    x = 7,485,232.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.