Home / 10,053,057.84-13,872,633.22-5,642,373.68

Finding the Fourth Proportional to 10,053,057.84, 13,872,633.22 and 5,642,373.68

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Solution

The fourth proportional to 10,053,057.84, 13,872,633.22 and 5,642,373.68 is: 7,786,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053,057.84 : 13,872,633.22 = 5,642,373.68 : x
  2. Step 2: Convert to fraction form
    10,053,057.84/13,872,633.22 = 5,642,373.68/x
  3. Step 3: Cross multiply
    10,053,057.84x = 13,872,633.22 × 5,642,373.68
  4. Step 4: Simplify right side
    10,053,057.84x = 78,274,580,552,821.66
  5. Step 5: Solve for x
    x = 78,274,580,552,821.66/10,053,057.84
  6. Step 6: Final answer
    x = 7,786,146.44

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Double scale
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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.