Home / 12,384,925.60-18,577,388.40-6,716,221.60

Finding the Fourth Proportional to 12,384,925.60, 18,577,388.40 and 6,716,221.60

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Solution

The fourth proportional to 12,384,925.60, 18,577,388.40 and 6,716,221.60 is: 10,074,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,925.60 : 18,577,388.40 = 6,716,221.60 : x
  2. Step 2: Convert to fraction form
    12,384,925.60/18,577,388.40 = 6,716,221.60/x
  3. Step 3: Cross multiply
    12,384,925.60x = 18,577,388.40 × 6,716,221.60
  4. Step 4: Simplify right side
    12,384,925.60x = 124,769,857,243,669.42
  5. Step 5: Solve for x
    x = 124,769,857,243,669.42/12,384,925.60
  6. Step 6: Final answer
    x = 10,074,332.40

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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.