Home / 27,621,985.59-38,121,776.76-15,864,936.03

Finding the Fourth Proportional to 27,621,985.59, 38,121,776.76 and 15,864,936.03

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Solution

The fourth proportional to 27,621,985.59, 38,121,776.76 and 15,864,936.03 is: 21,895,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621,985.59 : 38,121,776.76 = 15,864,936.03 : x
  2. Step 2: Convert to fraction form
    27,621,985.59/38,121,776.76 = 15,864,936.03/x
  3. Step 3: Cross multiply
    27,621,985.59x = 38,121,776.76 × 15,864,936.03
  4. Step 4: Simplify right side
    27,621,985.59x = 604,799,549,647,340.62
  5. Step 5: Solve for x
    x = 604,799,549,647,340.62/27,621,985.59
  6. Step 6: Final answer
    x = 21,895,585.59

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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.