Home / 30,033,129.04-41,479,932.40-20,358,540.88

Finding the Fourth Proportional to 30,033,129.04, 41,479,932.40 and 20,358,540.88

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Solution

The fourth proportional to 30,033,129.04, 41,479,932.40 and 20,358,540.88 is: 28,117,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,129.04 : 41,479,932.40 = 20,358,540.88 : x
  2. Step 2: Convert to fraction form
    30,033,129.04/41,479,932.40 = 20,358,540.88/x
  3. Step 3: Cross multiply
    30,033,129.04x = 41,479,932.40 × 20,358,540.88
  4. Step 4: Simplify right side
    30,033,129.04x = 844,470,899,465,036.50
  5. Step 5: Solve for x
    x = 844,470,899,465,036.50/30,033,129.04
  6. Step 6: Final answer
    x = 28,117,979.26

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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.