Home / 9,890,854.20-14,836,281.30-8,914,577.40

Finding the Fourth Proportional to 9,890,854.20, 14,836,281.30 and 8,914,577.40

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Solution

The fourth proportional to 9,890,854.20, 14,836,281.30 and 8,914,577.40 is: 13,371,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890,854.20 : 14,836,281.30 = 8,914,577.40 : x
  2. Step 2: Convert to fraction form
    9,890,854.20/14,836,281.30 = 8,914,577.40/x
  3. Step 3: Cross multiply
    9,890,854.20x = 14,836,281.30 × 8,914,577.40
  4. Step 4: Simplify right side
    9,890,854.20x = 132,259,177,977,022.62
  5. Step 5: Solve for x
    x = 132,259,177,977,022.62/9,890,854.20
  6. Step 6: Final answer
    x = 13,371,866.10

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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.