Home / 28,130,851.70-42,196,277.55-25,527,446.90

Finding the Fourth Proportional to 28,130,851.70, 42,196,277.55 and 25,527,446.90

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Solution

The fourth proportional to 28,130,851.70, 42,196,277.55 and 25,527,446.90 is: 38,291,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,130,851.70 : 42,196,277.55 = 25,527,446.90 : x
  2. Step 2: Convert to fraction form
    28,130,851.70/42,196,277.55 = 25,527,446.90/x
  3. Step 3: Cross multiply
    28,130,851.70x = 42,196,277.55 × 25,527,446.90
  4. Step 4: Simplify right side
    28,130,851.70x = 1,077,163,234,535,287
  5. Step 5: Solve for x
    x = 1,077,163,234,535,287/28,130,851.70
  6. Step 6: Final answer
    x = 38,291,170.35

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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.