Home / 28,489,710.40-42,734,565.60-25,653,025.60

Finding the Fourth Proportional to 28,489,710.40, 42,734,565.60 and 25,653,025.60

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Solution

The fourth proportional to 28,489,710.40, 42,734,565.60 and 25,653,025.60 is: 38,479,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489,710.40 : 42,734,565.60 = 25,653,025.60 : x
  2. Step 2: Convert to fraction form
    28,489,710.40/42,734,565.60 = 25,653,025.60/x
  3. Step 3: Cross multiply
    28,489,710.40x = 42,734,565.60 × 25,653,025.60
  4. Step 4: Simplify right side
    28,489,710.40x = 1,096,270,905,341,679.50
  5. Step 5: Solve for x
    x = 1,096,270,905,341,679.50/28,489,710.40
  6. Step 6: Final answer
    x = 38,479,538.40

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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.