Home / 7,452,176.80-11,178,265.20-6,507,392.80

Finding the Fourth Proportional to 7,452,176.80, 11,178,265.20 and 6,507,392.80

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Solution

The fourth proportional to 7,452,176.80, 11,178,265.20 and 6,507,392.80 is: 9,761,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,176.80 : 11,178,265.20 = 6,507,392.80 : x
  2. Step 2: Convert to fraction form
    7,452,176.80/11,178,265.20 = 6,507,392.80/x
  3. Step 3: Cross multiply
    7,452,176.80x = 11,178,265.20 × 6,507,392.80
  4. Step 4: Simplify right side
    7,452,176.80x = 72,741,362,478,970.55
  5. Step 5: Solve for x
    x = 72,741,362,478,970.55/7,452,176.80
  6. Step 6: Final answer
    x = 9,761,089.20

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Double scale
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Similar ratio
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1.5x scale

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.