Home / 21,819,246.18-30,139,301.88-16,172,785.98

Finding the Fourth Proportional to 21,819,246.18, 30,139,301.88 and 16,172,785.98

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Solution

The fourth proportional to 21,819,246.18, 30,139,301.88 and 16,172,785.98 is: 22,339,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,246.18 : 30,139,301.88 = 16,172,785.98 : x
  2. Step 2: Convert to fraction form
    21,819,246.18/30,139,301.88 = 16,172,785.98/x
  3. Step 3: Cross multiply
    21,819,246.18x = 30,139,301.88 × 16,172,785.98
  4. Step 4: Simplify right side
    21,819,246.18x = 487,436,478,891,851.62
  5. Step 5: Solve for x
    x = 487,436,478,891,851.62/21,819,246.18
  6. Step 6: Final answer
    x = 22,339,748.81

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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.