Home / 13,486,541.70-20,229,812.55-13,171,613.70

Finding the Fourth Proportional to 13,486,541.70, 20,229,812.55 and 13,171,613.70

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Solution

The fourth proportional to 13,486,541.70, 20,229,812.55 and 13,171,613.70 is: 19,757,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,541.70 : 20,229,812.55 = 13,171,613.70 : x
  2. Step 2: Convert to fraction form
    13,486,541.70/20,229,812.55 = 13,171,613.70/x
  3. Step 3: Cross multiply
    13,486,541.70x = 20,229,812.55 × 13,171,613.70
  4. Step 4: Simplify right side
    13,486,541.70x = 266,459,276,132,011.94
  5. Step 5: Solve for x
    x = 266,459,276,132,011.94/13,486,541.70
  6. Step 6: Final answer
    x = 19,757,420.55

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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.