Home / 42,003,523.50-63,015,914.07-11,711,386.50

Finding the Fourth Proportional to 42,003,523.50, 63,015,914.07 and 11,711,386.50

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Solution

The fourth proportional to 42,003,523.50, 63,015,914.07 and 11,711,386.50 is: 17,570,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003,523.50 : 63,015,914.07 = 11,711,386.50 : x
  2. Step 2: Convert to fraction form
    42,003,523.50/63,015,914.07 = 11,711,386.50/x
  3. Step 3: Cross multiply
    42,003,523.50x = 63,015,914.07 × 11,711,386.50
  4. Step 4: Simplify right side
    42,003,523.50x = 738,003,725,324,558
  5. Step 5: Solve for x
    x = 738,003,725,324,558/42,003,523.50
  6. Step 6: Final answer
    x = 17,570,043.27

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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.