Home / 30,386,198.57-45,586,548.75-9,915,956.12

Finding the Fourth Proportional to 30,386,198.57, 45,586,548.75 and 9,915,956.12

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Solution

The fourth proportional to 30,386,198.57, 45,586,548.75 and 9,915,956.12 is: 14,876,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386,198.57 : 45,586,548.75 = 9,915,956.12 : x
  2. Step 2: Convert to fraction form
    30,386,198.57/45,586,548.75 = 9,915,956.12/x
  3. Step 3: Cross multiply
    30,386,198.57x = 45,586,548.75 × 9,915,956.12
  4. Step 4: Simplify right side
    30,386,198.57x = 452,034,217,067,240.81
  5. Step 5: Solve for x
    x = 452,034,217,067,240.81/30,386,198.57
  6. Step 6: Final answer
    x = 14,876,300.37

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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.