Home / 15,815,390.40-23,723,085.60-9,432,849.60

Finding the Fourth Proportional to 15,815,390.40, 23,723,085.60 and 9,432,849.60

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Solution

The fourth proportional to 15,815,390.40, 23,723,085.60 and 9,432,849.60 is: 14,149,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,390.40 : 23,723,085.60 = 9,432,849.60 : x
  2. Step 2: Convert to fraction form
    15,815,390.40/23,723,085.60 = 9,432,849.60/x
  3. Step 3: Cross multiply
    15,815,390.40x = 23,723,085.60 × 9,432,849.60
  4. Step 4: Simplify right side
    15,815,390.40x = 223,776,298,512,725.75
  5. Step 5: Solve for x
    x = 223,776,298,512,725.75/15,815,390.40
  6. Step 6: Final answer
    x = 14,149,274.40

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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.