Home / 30,704,585.71-45,857,808.20-27,820,189.62

Finding the Fourth Proportional to 30,704,585.71, 45,857,808.20 and 27,820,189.62

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Solution

The fourth proportional to 30,704,585.71, 45,857,808.20 and 27,820,189.62 is: 41,549,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704,585.71 : 45,857,808.20 = 27,820,189.62 : x
  2. Step 2: Convert to fraction form
    30,704,585.71/45,857,808.20 = 27,820,189.62/x
  3. Step 3: Cross multiply
    30,704,585.71x = 45,857,808.20 × 27,820,189.62
  4. Step 4: Simplify right side
    30,704,585.71x = 1,275,772,919,681,591
  5. Step 5: Solve for x
    x = 1,275,772,919,681,591/30,704,585.71
  6. Step 6: Final answer
    x = 41,549,914.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.