Home / 13,254,558.20-19,877,900.70-5,162,876.90

Finding the Fourth Proportional to 13,254,558.20, 19,877,900.70 and 5,162,876.90

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Solution

The fourth proportional to 13,254,558.20, 19,877,900.70 and 5,162,876.90 is: 7,742,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254,558.20 : 19,877,900.70 = 5,162,876.90 : x
  2. Step 2: Convert to fraction form
    13,254,558.20/19,877,900.70 = 5,162,876.90/x
  3. Step 3: Cross multiply
    13,254,558.20x = 19,877,900.70 × 5,162,876.90
  4. Step 4: Simplify right side
    13,254,558.20x = 102,627,154,344,523.83
  5. Step 5: Solve for x
    x = 102,627,154,344,523.83/13,254,558.20
  6. Step 6: Final answer
    x = 7,742,781.98

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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.