Home / 9,178,767.90-13,778,758.80-4,927,239.90

Finding the Fourth Proportional to 9,178,767.90, 13,778,758.80 and 4,927,239.90

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Solution

The fourth proportional to 9,178,767.90, 13,778,758.80 and 4,927,239.90 is: 7,396,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,767.90 : 13,778,758.80 = 4,927,239.90 : x
  2. Step 2: Convert to fraction form
    9,178,767.90/13,778,758.80 = 4,927,239.90/x
  3. Step 3: Cross multiply
    9,178,767.90x = 13,778,758.80 × 4,927,239.90
  4. Step 4: Simplify right side
    9,178,767.90x = 67,891,250,131,836.12
  5. Step 5: Solve for x
    x = 67,891,250,131,836.12/9,178,767.90
  6. Step 6: Final answer
    x = 7,396,553.75

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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.