Home / 8,840,439.39-12,192,528.02-5,215,268.19

Finding the Fourth Proportional to 8,840,439.39, 12,192,528.02 and 5,215,268.19

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Solution

The fourth proportional to 8,840,439.39, 12,192,528.02 and 5,215,268.19 is: 7,192,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840,439.39 : 12,192,528.02 = 5,215,268.19 : x
  2. Step 2: Convert to fraction form
    8,840,439.39/12,192,528.02 = 5,215,268.19/x
  3. Step 3: Cross multiply
    8,840,439.39x = 12,192,528.02 × 5,215,268.19
  4. Step 4: Simplify right side
    8,840,439.39x = 63,587,303,538,389.69
  5. Step 5: Solve for x
    x = 63,587,303,538,389.69/8,840,439.39
  6. Step 6: Final answer
    x = 7,192,776.37

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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.