Home / 15,048,016.65-20,766,384.86-8,172,547.92

Finding the Fourth Proportional to 15,048,016.65, 20,766,384.86 and 8,172,547.92

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Solution

The fourth proportional to 15,048,016.65, 20,766,384.86 and 8,172,547.92 is: 11,278,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,016.65 : 20,766,384.86 = 8,172,547.92 : x
  2. Step 2: Convert to fraction form
    15,048,016.65/20,766,384.86 = 8,172,547.92/x
  3. Step 3: Cross multiply
    15,048,016.65x = 20,766,384.86 × 8,172,547.92
  4. Step 4: Simplify right side
    15,048,016.65x = 169,714,275,352,649.75
  5. Step 5: Solve for x
    x = 169,714,275,352,649.75/15,048,016.65
  6. Step 6: Final answer
    x = 11,278,182.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.