Home / 9,887,625.20-14,831,437.80-7,645,372.40

Finding the Fourth Proportional to 9,887,625.20, 14,831,437.80 and 7,645,372.40

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Solution

The fourth proportional to 9,887,625.20, 14,831,437.80 and 7,645,372.40 is: 11,468,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887,625.20 : 14,831,437.80 = 7,645,372.40 : x
  2. Step 2: Convert to fraction form
    9,887,625.20/14,831,437.80 = 7,645,372.40/x
  3. Step 3: Cross multiply
    9,887,625.20x = 14,831,437.80 × 7,645,372.40
  4. Step 4: Simplify right side
    9,887,625.20x = 113,391,865,208,436.73
  5. Step 5: Solve for x
    x = 113,391,865,208,436.73/9,887,625.20
  6. Step 6: Final answer
    x = 11,468,058.60

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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.