Home / 7,764,605.40-11,646,908.10-7,292,213.40

Finding the Fourth Proportional to 7,764,605.40, 11,646,908.10 and 7,292,213.40

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Solution

The fourth proportional to 7,764,605.40, 11,646,908.10 and 7,292,213.40 is: 10,938,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764,605.40 : 11,646,908.10 = 7,292,213.40 : x
  2. Step 2: Convert to fraction form
    7,764,605.40/11,646,908.10 = 7,292,213.40/x
  3. Step 3: Cross multiply
    7,764,605.40x = 11,646,908.10 × 7,292,213.40
  4. Step 4: Simplify right side
    7,764,605.40x = 84,931,739,315,388.55
  5. Step 5: Solve for x
    x = 84,931,739,315,388.55/7,764,605.40
  6. Step 6: Final answer
    x = 10,938,320.10

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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.