Home / 10,315,809.60-15,436,972.80-8,982,614.40

Finding the Fourth Proportional to 10,315,809.60, 15,436,972.80 and 8,982,614.40

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Solution

The fourth proportional to 10,315,809.60, 15,436,972.80 and 8,982,614.40 is: 13,441,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,809.60 : 15,436,972.80 = 8,982,614.40 : x
  2. Step 2: Convert to fraction form
    10,315,809.60/15,436,972.80 = 8,982,614.40/x
  3. Step 3: Cross multiply
    10,315,809.60x = 15,436,972.80 × 8,982,614.40
  4. Step 4: Simplify right side
    10,315,809.60x = 138,664,374,165,688.33
  5. Step 5: Solve for x
    x = 138,664,374,165,688.33/10,315,809.60
  6. Step 6: Final answer
    x = 13,441,928.41

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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.