Home / 9,890,868.20-14,836,302.30-8,914,591.40

Finding the Fourth Proportional to 9,890,868.20, 14,836,302.30 and 8,914,591.40

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Solution

The fourth proportional to 9,890,868.20, 14,836,302.30 and 8,914,591.40 is: 13,371,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890,868.20 : 14,836,302.30 = 8,914,591.40 : x
  2. Step 2: Convert to fraction form
    9,890,868.20/14,836,302.30 = 8,914,591.40/x
  3. Step 3: Cross multiply
    9,890,868.20x = 14,836,302.30 × 8,914,591.40
  4. Step 4: Simplify right side
    9,890,868.20x = 132,259,572,891,380.23
  5. Step 5: Solve for x
    x = 132,259,572,891,380.23/9,890,868.20
  6. Step 6: Final answer
    x = 13,371,887.10

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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.