Home / 30,360,172.80-45,561,254.40-21,846,619.20

Finding the Fourth Proportional to 30,360,172.80, 45,561,254.40 and 21,846,619.20

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Solution

The fourth proportional to 30,360,172.80, 45,561,254.40 and 21,846,619.20 is: 32,785,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,172.80 : 45,561,254.40 = 21,846,619.20 : x
  2. Step 2: Convert to fraction form
    30,360,172.80/45,561,254.40 = 21,846,619.20/x
  3. Step 3: Cross multiply
    30,360,172.80x = 45,561,254.40 × 21,846,619.20
  4. Step 4: Simplify right side
    30,360,172.80x = 995,359,375,151,124.38
  5. Step 5: Solve for x
    x = 995,359,375,151,124.38/30,360,172.80
  6. Step 6: Final answer
    x = 32,785,036.56

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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.