Home / 18,918,814.79-26,107,963.52-10,216,986.68

Finding the Fourth Proportional to 18,918,814.79, 26,107,963.52 and 10,216,986.68

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Solution

The fourth proportional to 18,918,814.79, 26,107,963.52 and 10,216,986.68 is: 14,099,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,814.79 : 26,107,963.52 = 10,216,986.68 : x
  2. Step 2: Convert to fraction form
    18,918,814.79/26,107,963.52 = 10,216,986.68/x
  3. Step 3: Cross multiply
    18,918,814.79x = 26,107,963.52 × 10,216,986.68
  4. Step 4: Simplify right side
    18,918,814.79x = 266,744,715,344,141.19
  5. Step 5: Solve for x
    x = 266,744,715,344,141.19/18,918,814.79
  6. Step 6: Final answer
    x = 14,099,441.13

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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.