Home / 18,487,186.64-25,513,069.55-10,227,106.92

Finding the Fourth Proportional to 18,487,186.64, 25,513,069.55 and 10,227,106.92

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Solution

The fourth proportional to 18,487,186.64, 25,513,069.55 and 10,227,106.92 is: 14,113,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487,186.64 : 25,513,069.55 = 10,227,106.92 : x
  2. Step 2: Convert to fraction form
    18,487,186.64/25,513,069.55 = 10,227,106.92/x
  3. Step 3: Cross multiply
    18,487,186.64x = 25,513,069.55 × 10,227,106.92
  4. Step 4: Simplify right side
    18,487,186.64x = 260,924,890,094,110.78
  5. Step 5: Solve for x
    x = 260,924,890,094,110.78/18,487,186.64
  6. Step 6: Final answer
    x = 14,113,823.55

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Double scale
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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.