Home / 8,869,694.40-13,304,541.60-7,913,100.60

Finding the Fourth Proportional to 8,869,694.40, 13,304,541.60 and 7,913,100.60

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Solution

The fourth proportional to 8,869,694.40, 13,304,541.60 and 7,913,100.60 is: 11,869,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,694.40 : 13,304,541.60 = 7,913,100.60 : x
  2. Step 2: Convert to fraction form
    8,869,694.40/13,304,541.60 = 7,913,100.60/x
  3. Step 3: Cross multiply
    8,869,694.40x = 13,304,541.60 × 7,913,100.60
  4. Step 4: Simplify right side
    8,869,694.40x = 105,280,176,117,684.95
  5. Step 5: Solve for x
    x = 105,280,176,117,684.95/8,869,694.40
  6. Step 6: Final answer
    x = 11,869,650.90

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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.