Home / 8,509,415.28-11,744,886.60-5,411,310.72

Finding the Fourth Proportional to 8,509,415.28, 11,744,886.60 and 5,411,310.72

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Solution

The fourth proportional to 8,509,415.28, 11,744,886.60 and 5,411,310.72 is: 7,468,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,415.28 : 11,744,886.60 = 5,411,310.72 : x
  2. Step 2: Convert to fraction form
    8,509,415.28/11,744,886.60 = 5,411,310.72/x
  3. Step 3: Cross multiply
    8,509,415.28x = 11,744,886.60 × 5,411,310.72
  4. Step 4: Simplify right side
    8,509,415.28x = 63,555,230,763,764.34
  5. Step 5: Solve for x
    x = 63,555,230,763,764.34/8,509,415.28
  6. Step 6: Final answer
    x = 7,468,812.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.