Home / 7,180,801.80-10,771,202.70-4,913,320.20

Finding the Fourth Proportional to 7,180,801.80, 10,771,202.70 and 4,913,320.20

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Solution

The fourth proportional to 7,180,801.80, 10,771,202.70 and 4,913,320.20 is: 7,369,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180,801.80 : 10,771,202.70 = 4,913,320.20 : x
  2. Step 2: Convert to fraction form
    7,180,801.80/10,771,202.70 = 4,913,320.20/x
  3. Step 3: Cross multiply
    7,180,801.80x = 10,771,202.70 × 4,913,320.20
  4. Step 4: Simplify right side
    7,180,801.80x = 52,922,367,804,204.54
  5. Step 5: Solve for x
    x = 52,922,367,804,204.54/7,180,801.80
  6. Step 6: Final answer
    x = 7,369,980.30

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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.