Home / 28,356,786.60-42,566,672.70-15,602,202.60

Finding the Fourth Proportional to 28,356,786.60, 42,566,672.70 and 15,602,202.60

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Solution

The fourth proportional to 28,356,786.60, 42,566,672.70 and 15,602,202.60 is: 23,420,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356,786.60 : 42,566,672.70 = 15,602,202.60 : x
  2. Step 2: Convert to fraction form
    28,356,786.60/42,566,672.70 = 15,602,202.60/x
  3. Step 3: Cross multiply
    28,356,786.60x = 42,566,672.70 × 15,602,202.60
  4. Step 4: Simplify right side
    28,356,786.60x = 664,133,851,473,289
  5. Step 5: Solve for x
    x = 664,133,851,473,289/28,356,786.60
  6. Step 6: Final answer
    x = 23,420,631.57

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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.