Home / 13,541,450.77-18,687,200.00-7,740,357.07

Finding the Fourth Proportional to 13,541,450.77, 18,687,200.00 and 7,740,357.07

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Solution

The fourth proportional to 13,541,450.77, 18,687,200.00 and 7,740,357.07 is: 10,681,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,450.77 : 18,687,200.00 = 7,740,357.07 : x
  2. Step 2: Convert to fraction form
    13,541,450.77/18,687,200.00 = 7,740,357.07/x
  3. Step 3: Cross multiply
    13,541,450.77x = 18,687,200.00 × 7,740,357.07
  4. Step 4: Simplify right side
    13,541,450.77x = 144,645,600,582,110.56
  5. Step 5: Solve for x
    x = 144,645,600,582,110.56/13,541,450.77
  6. Step 6: Final answer
    x = 10,681,691.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.