Home / 27,971,407.42-38,599,032.77-15,412,041.87

Finding the Fourth Proportional to 27,971,407.42, 38,599,032.77 and 15,412,041.87

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Solution

The fourth proportional to 27,971,407.42, 38,599,032.77 and 15,412,041.87 is: 21,267,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971,407.42 : 38,599,032.77 = 15,412,041.87 : x
  2. Step 2: Convert to fraction form
    27,971,407.42/38,599,032.77 = 15,412,041.87/x
  3. Step 3: Cross multiply
    27,971,407.42x = 38,599,032.77 × 15,412,041.87
  4. Step 4: Simplify right side
    27,971,407.42x = 594,889,909,245,850.12
  5. Step 5: Solve for x
    x = 594,889,909,245,850.12/27,971,407.42
  6. Step 6: Final answer
    x = 21,267,786.08

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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.