Home / 10,412,189.77-14,358,727.43-8,119,513.93

Finding the Fourth Proportional to 10,412,189.77, 14,358,727.43 and 8,119,513.93

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Solution

The fourth proportional to 10,412,189.77, 14,358,727.43 and 8,119,513.93 is: 11,197,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412,189.77 : 14,358,727.43 = 8,119,513.93 : x
  2. Step 2: Convert to fraction form
    10,412,189.77/14,358,727.43 = 8,119,513.93/x
  3. Step 3: Cross multiply
    10,412,189.77x = 14,358,727.43 × 8,119,513.93
  4. Step 4: Simplify right side
    10,412,189.77x = 116,585,887,344,360.53
  5. Step 5: Solve for x
    x = 116,585,887,344,360.53/10,412,189.77
  6. Step 6: Final answer
    x = 11,197,057.48

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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.