Home / 18,866,966.76-26,036,502.30-10,718,651.88

Finding the Fourth Proportional to 18,866,966.76, 26,036,502.30 and 10,718,651.88

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Solution

The fourth proportional to 18,866,966.76, 26,036,502.30 and 10,718,651.88 is: 14,791,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866,966.76 : 26,036,502.30 = 10,718,651.88 : x
  2. Step 2: Convert to fraction form
    18,866,966.76/26,036,502.30 = 10,718,651.88/x
  3. Step 3: Cross multiply
    18,866,966.76x = 26,036,502.30 × 10,718,651.88
  4. Step 4: Simplify right side
    18,866,966.76x = 279,076,204,326,519.34
  5. Step 5: Solve for x
    x = 279,076,204,326,519.34/18,866,966.76
  6. Step 6: Final answer
    x = 14,791,789.69

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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.