Home / 28,469,489.60-42,704,234.40-13,116,749.60

Finding the Fourth Proportional to 28,469,489.60, 42,704,234.40 and 13,116,749.60

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Solution

The fourth proportional to 28,469,489.60, 42,704,234.40 and 13,116,749.60 is: 19,675,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,489.60 : 42,704,234.40 = 13,116,749.60 : x
  2. Step 2: Convert to fraction form
    28,469,489.60/42,704,234.40 = 13,116,749.60/x
  3. Step 3: Cross multiply
    28,469,489.60x = 42,704,234.40 × 13,116,749.60
  4. Step 4: Simplify right side
    28,469,489.60x = 560,140,749,484,506.19
  5. Step 5: Solve for x
    x = 560,140,749,484,506.19/28,469,489.60
  6. Step 6: Final answer
    x = 19,675,124.40

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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.