Home / 13,518,944-20,280,958.40-5,432,560.72

Finding the Fourth Proportional to 13,518,944, 20,280,958.40 and 5,432,560.72

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Solution

The fourth proportional to 13,518,944, 20,280,958.40 and 5,432,560.72 is: 8,149,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,944 : 20,280,958.40 = 5,432,560.72 : x
  2. Step 2: Convert to fraction form
    13,518,944/20,280,958.40 = 5,432,560.72/x
  3. Step 3: Cross multiply
    13,518,944x = 20,280,958.40 × 5,432,560.72
  4. Step 4: Simplify right side
    13,518,944x = 110,177,537,967,794.03
  5. Step 5: Solve for x
    x = 110,177,537,967,794.03/13,518,944
  6. Step 6: Final answer
    x = 8,149,862.74

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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.