Home / 13,591,867.70-20,387,801.55-7,545,250.10

Finding the Fourth Proportional to 13,591,867.70, 20,387,801.55 and 7,545,250.10

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Solution

The fourth proportional to 13,591,867.70, 20,387,801.55 and 7,545,250.10 is: 11,317,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,867.70 : 20,387,801.55 = 7,545,250.10 : x
  2. Step 2: Convert to fraction form
    13,591,867.70/20,387,801.55 = 7,545,250.10/x
  3. Step 3: Cross multiply
    13,591,867.70x = 20,387,801.55 × 7,545,250.10
  4. Step 4: Simplify right side
    13,591,867.70x = 153,831,061,683,917.66
  5. Step 5: Solve for x
    x = 153,831,061,683,917.66/13,591,867.70
  6. Step 6: Final answer
    x = 11,317,875.15

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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.