Home / 13,666,575.65-18,859,959.69-7,471,635.71

Finding the Fourth Proportional to 13,666,575.65, 18,859,959.69 and 7,471,635.71

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Solution

The fourth proportional to 13,666,575.65, 18,859,959.69 and 7,471,635.71 is: 10,310,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,575.65 : 18,859,959.69 = 7,471,635.71 : x
  2. Step 2: Convert to fraction form
    13,666,575.65/18,859,959.69 = 7,471,635.71/x
  3. Step 3: Cross multiply
    13,666,575.65x = 18,859,959.69 × 7,471,635.71
  4. Step 4: Simplify right side
    13,666,575.65x = 140,914,748,308,964.53
  5. Step 5: Solve for x
    x = 140,914,748,308,964.53/13,666,575.65
  6. Step 6: Final answer
    x = 10,310,903.91

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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.