Home / 20,141,865.06-30,191,287.18-11,487,330.19

Finding the Fourth Proportional to 20,141,865.06, 30,191,287.18 and 11,487,330.19

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Solution

The fourth proportional to 20,141,865.06, 30,191,287.18 and 11,487,330.19 is: 17,218,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141,865.06 : 30,191,287.18 = 11,487,330.19 : x
  2. Step 2: Convert to fraction form
    20,141,865.06/30,191,287.18 = 11,487,330.19/x
  3. Step 3: Cross multiply
    20,141,865.06x = 30,191,287.18 × 11,487,330.19
  4. Step 4: Simplify right side
    20,141,865.06x = 346,817,284,712,170.81
  5. Step 5: Solve for x
    x = 346,817,284,712,170.81/20,141,865.06
  6. Step 6: Final answer
    x = 17,218,727.44

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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.