Home / 18,958,712.40-28,442,561.40-6,179,288.40

Finding the Fourth Proportional to 18,958,712.40, 28,442,561.40 and 6,179,288.40

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Solution

The fourth proportional to 18,958,712.40, 28,442,561.40 and 6,179,288.40 is: 9,270,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958,712.40 : 28,442,561.40 = 6,179,288.40 : x
  2. Step 2: Convert to fraction form
    18,958,712.40/28,442,561.40 = 6,179,288.40/x
  3. Step 3: Cross multiply
    18,958,712.40x = 28,442,561.40 × 6,179,288.40
  4. Step 4: Simplify right side
    18,958,712.40x = 175,754,789,725,307.75
  5. Step 5: Solve for x
    x = 175,754,789,725,307.75/18,958,712.40
  6. Step 6: Final answer
    x = 9,270,396.96

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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.