Home / 28,392,717.80-42,589,076.70-15,608,282.60

Finding the Fourth Proportional to 28,392,717.80, 42,589,076.70 and 15,608,282.60

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Solution

The fourth proportional to 28,392,717.80, 42,589,076.70 and 15,608,282.60 is: 23,412,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,717.80 : 42,589,076.70 = 15,608,282.60 : x
  2. Step 2: Convert to fraction form
    28,392,717.80/42,589,076.70 = 15,608,282.60/x
  3. Step 3: Cross multiply
    28,392,717.80x = 42,589,076.70 × 15,608,282.60
  4. Step 4: Simplify right side
    28,392,717.80x = 664,742,344,806,675.50
  5. Step 5: Solve for x
    x = 664,742,344,806,675.50/28,392,717.80
  6. Step 6: Final answer
    x = 23,412,423.90

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1.5x scale

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.