Home / 22,119,422.81-30,527,791.34-13,416,190.70

Finding the Fourth Proportional to 22,119,422.81, 30,527,791.34 and 13,416,190.70

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Solution

The fourth proportional to 22,119,422.81, 30,527,791.34 and 13,416,190.70 is: 18,516,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119,422.81 : 30,527,791.34 = 13,416,190.70 : x
  2. Step 2: Convert to fraction form
    22,119,422.81/30,527,791.34 = 13,416,190.70/x
  3. Step 3: Cross multiply
    22,119,422.81x = 30,527,791.34 × 13,416,190.70
  4. Step 4: Simplify right side
    22,119,422.81x = 409,566,670,047,528.62
  5. Step 5: Solve for x
    x = 409,566,670,047,528.62/22,119,422.81
  6. Step 6: Final answer
    x = 18,516,155.40

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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.