Home / 10,563,385.60-15,831,081.60-9,359,660.80

Finding the Fourth Proportional to 10,563,385.60, 15,831,081.60 and 9,359,660.80

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Solution

The fourth proportional to 10,563,385.60, 15,831,081.60 and 9,359,660.80 is: 14,027,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563,385.60 : 15,831,081.60 = 9,359,660.80 : x
  2. Step 2: Convert to fraction form
    10,563,385.60/15,831,081.60 = 9,359,660.80/x
  3. Step 3: Cross multiply
    10,563,385.60x = 15,831,081.60 × 9,359,660.80
  4. Step 4: Simplify right side
    10,563,385.60x = 148,173,553,873,121.28
  5. Step 5: Solve for x
    x = 148,173,553,873,121.28/10,563,385.60
  6. Step 6: Final answer
    x = 14,027,089.37

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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.