Home / 15,275,365.61-21,080,029.70-8,306,036.69

Finding the Fourth Proportional to 15,275,365.61, 21,080,029.70 and 8,306,036.69

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Solution

The fourth proportional to 15,275,365.61, 21,080,029.70 and 8,306,036.69 is: 11,462,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275,365.61 : 21,080,029.70 = 8,306,036.69 : x
  2. Step 2: Convert to fraction form
    15,275,365.61/21,080,029.70 = 8,306,036.69/x
  3. Step 3: Cross multiply
    15,275,365.61x = 21,080,029.70 × 8,306,036.69
  4. Step 4: Simplify right side
    15,275,365.61x = 175,091,500,114,489.69
  5. Step 5: Solve for x
    x = 175,091,500,114,489.69/15,275,365.61
  6. Step 6: Final answer
    x = 11,462,344.31

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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.