Home / 12,482,023.20-18,723,034.80-5,292,333.60

Finding the Fourth Proportional to 12,482,023.20, 18,723,034.80 and 5,292,333.60

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Solution

The fourth proportional to 12,482,023.20, 18,723,034.80 and 5,292,333.60 is: 7,938,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,023.20 : 18,723,034.80 = 5,292,333.60 : x
  2. Step 2: Convert to fraction form
    12,482,023.20/18,723,034.80 = 5,292,333.60/x
  3. Step 3: Cross multiply
    12,482,023.20x = 18,723,034.80 × 5,292,333.60
  4. Step 4: Simplify right side
    12,482,023.20x = 99,088,546,166,009.28
  5. Step 5: Solve for x
    x = 99,088,546,166,009.28/12,482,023.20
  6. Step 6: Final answer
    x = 7,938,500.40

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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.