Home / 13,570,026.81-18,726,781.68-7,375,073.51

Finding the Fourth Proportional to 13,570,026.81, 18,726,781.68 and 7,375,073.51

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Solution

The fourth proportional to 13,570,026.81, 18,726,781.68 and 7,375,073.51 is: 10,177,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570,026.81 : 18,726,781.68 = 7,375,073.51 : x
  2. Step 2: Convert to fraction form
    13,570,026.81/18,726,781.68 = 7,375,073.51/x
  3. Step 3: Cross multiply
    13,570,026.81x = 18,726,781.68 × 7,375,073.51
  4. Step 4: Simplify right side
    13,570,026.81x = 138,111,391,402,087.39
  5. Step 5: Solve for x
    x = 138,111,391,402,087.39/13,570,026.81
  6. Step 6: Final answer
    x = 10,177,680.07

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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.