Home / 15,185,365.25-20,955,805.13-8,309,847.65

Finding the Fourth Proportional to 15,185,365.25, 20,955,805.13 and 8,309,847.65

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Solution

The fourth proportional to 15,185,365.25, 20,955,805.13 and 8,309,847.65 is: 11,467,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,365.25 : 20,955,805.13 = 8,309,847.65 : x
  2. Step 2: Convert to fraction form
    15,185,365.25/20,955,805.13 = 8,309,847.65/x
  3. Step 3: Cross multiply
    15,185,365.25x = 20,955,805.13 × 8,309,847.65
  4. Step 4: Simplify right side
    15,185,365.25x = 174,139,547,929,384.03
  5. Step 5: Solve for x
    x = 174,139,547,929,384.03/15,185,365.25
  6. Step 6: Final answer
    x = 11,467,590.35

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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.