Home / 9,304,349.42-12,840,009.52-5,174,290.44

Finding the Fourth Proportional to 9,304,349.42, 12,840,009.52 and 5,174,290.44

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Solution

The fourth proportional to 9,304,349.42, 12,840,009.52 and 5,174,290.44 is: 7,140,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304,349.42 : 12,840,009.52 = 5,174,290.44 : x
  2. Step 2: Convert to fraction form
    9,304,349.42/12,840,009.52 = 5,174,290.44/x
  3. Step 3: Cross multiply
    9,304,349.42x = 12,840,009.52 × 5,174,290.44
  4. Step 4: Simplify right side
    9,304,349.42x = 66,437,938,508,844.99
  5. Step 5: Solve for x
    x = 66,437,938,508,844.99/9,304,349.42
  6. Step 6: Final answer
    x = 7,140,524.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.