Home / 20,067,712.40-30,106,054.17-6,421,678.13

Finding the Fourth Proportional to 20,067,712.40, 30,106,054.17 and 6,421,678.13

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Solution

The fourth proportional to 20,067,712.40, 30,106,054.17 and 6,421,678.13 is: 9,633,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067,712.40 : 30,106,054.17 = 6,421,678.13 : x
  2. Step 2: Convert to fraction form
    20,067,712.40/30,106,054.17 = 6,421,678.13/x
  3. Step 3: Cross multiply
    20,067,712.40x = 30,106,054.17 × 6,421,678.13
  4. Step 4: Simplify right side
    20,067,712.40x = 193,331,389,719,349.47
  5. Step 5: Solve for x
    x = 193,331,389,719,349.47/20,067,712.40
  6. Step 6: Final answer
    x = 9,633,952.58

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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.