Home / 7,128,302.80-10,692,454.20-3,349,166.80

Finding the Fourth Proportional to 7,128,302.80, 10,692,454.20 and 3,349,166.80

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Solution

The fourth proportional to 7,128,302.80, 10,692,454.20 and 3,349,166.80 is: 5,023,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,302.80 : 10,692,454.20 = 3,349,166.80 : x
  2. Step 2: Convert to fraction form
    7,128,302.80/10,692,454.20 = 3,349,166.80/x
  3. Step 3: Cross multiply
    7,128,302.80x = 10,692,454.20 × 3,349,166.80
  4. Step 4: Simplify right side
    7,128,302.80x = 35,810,812,617,160.55
  5. Step 5: Solve for x
    x = 35,810,812,617,160.55/7,128,302.80
  6. Step 6: Final answer
    x = 5,023,750.20

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Similar ratio
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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.