Home / 27,852,079.80-41,778,119.70-21,805,462.20

Finding the Fourth Proportional to 27,852,079.80, 41,778,119.70 and 21,805,462.20

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Solution

The fourth proportional to 27,852,079.80, 41,778,119.70 and 21,805,462.20 is: 32,708,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,852,079.80 : 41,778,119.70 = 21,805,462.20 : x
  2. Step 2: Convert to fraction form
    27,852,079.80/41,778,119.70 = 21,805,462.20/x
  3. Step 3: Cross multiply
    27,852,079.80x = 41,778,119.70 × 21,805,462.20
  4. Step 4: Simplify right side
    27,852,079.80x = 910,991,209,905,425.38
  5. Step 5: Solve for x
    x = 910,991,209,905,425.38/27,852,079.80
  6. Step 6: Final answer
    x = 32,708,193.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.