Home / 10,389,915.60-15,553,380.60-7,849,496.40

Finding the Fourth Proportional to 10,389,915.60, 15,553,380.60 and 7,849,496.40

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Solution

The fourth proportional to 10,389,915.60, 15,553,380.60 and 7,849,496.40 is: 11,750,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,915.60 : 15,553,380.60 = 7,849,496.40 : x
  2. Step 2: Convert to fraction form
    10,389,915.60/15,553,380.60 = 7,849,496.40/x
  3. Step 3: Cross multiply
    10,389,915.60x = 15,553,380.60 × 7,849,496.40
  4. Step 4: Simplify right side
    10,389,915.60x = 122,086,205,027,529.84
  5. Step 5: Solve for x
    x = 122,086,205,027,529.84/10,389,915.60
  6. Step 6: Final answer
    x = 11,750,452.05

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