Home / 5,377,531.20-8,066,296.80-5,340,206.40

Finding the Fourth Proportional to 5,377,531.20, 8,066,296.80 and 5,340,206.40

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Solution

The fourth proportional to 5,377,531.20, 8,066,296.80 and 5,340,206.40 is: 8,010,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,531.20 : 8,066,296.80 = 5,340,206.40 : x
  2. Step 2: Convert to fraction form
    5,377,531.20/8,066,296.80 = 5,340,206.40/x
  3. Step 3: Cross multiply
    5,377,531.20x = 8,066,296.80 × 5,340,206.40
  4. Step 4: Simplify right side
    5,377,531.20x = 43,075,689,795,659.52
  5. Step 5: Solve for x
    x = 43,075,689,795,659.52/5,377,531.20
  6. Step 6: Final answer
    x = 8,010,309.60

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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.