Home / 20,653,849.60-30,980,774.40-17,063,670.40

Finding the Fourth Proportional to 20,653,849.60, 30,980,774.40 and 17,063,670.40

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Solution

The fourth proportional to 20,653,849.60, 30,980,774.40 and 17,063,670.40 is: 25,595,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,849.60 : 30,980,774.40 = 17,063,670.40 : x
  2. Step 2: Convert to fraction form
    20,653,849.60/30,980,774.40 = 17,063,670.40/x
  3. Step 3: Cross multiply
    20,653,849.60x = 30,980,774.40 × 17,063,670.40
  4. Step 4: Simplify right side
    20,653,849.60x = 528,645,723,098,357.69
  5. Step 5: Solve for x
    x = 528,645,723,098,357.69/20,653,849.60
  6. Step 6: Final answer
    x = 25,595,505.60

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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.