Home / 12,872,723.13-17,769,019.37-8,523,210.71

Finding the Fourth Proportional to 12,872,723.13, 17,769,019.37 and 8,523,210.71

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Solution

The fourth proportional to 12,872,723.13, 17,769,019.37 and 8,523,210.71 is: 11,765,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,723.13 : 17,769,019.37 = 8,523,210.71 : x
  2. Step 2: Convert to fraction form
    12,872,723.13/17,769,019.37 = 8,523,210.71/x
  3. Step 3: Cross multiply
    12,872,723.13x = 17,769,019.37 × 8,523,210.71
  4. Step 4: Simplify right side
    12,872,723.13x = 151,449,096,200,581.47
  5. Step 5: Solve for x
    x = 151,449,096,200,581.47/12,872,723.13
  6. Step 6: Final answer
    x = 11,765,117.19

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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.