Home / 26,820,668.20-37,011,428.12-15,217,981.96

Finding the Fourth Proportional to 26,820,668.20, 37,011,428.12 and 15,217,981.96

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Solution

The fourth proportional to 26,820,668.20, 37,011,428.12 and 15,217,981.96 is: 21,000,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820,668.20 : 37,011,428.12 = 15,217,981.96 : x
  2. Step 2: Convert to fraction form
    26,820,668.20/37,011,428.12 = 15,217,981.96/x
  3. Step 3: Cross multiply
    26,820,668.20x = 37,011,428.12 × 15,217,981.96
  4. Step 4: Simplify right side
    26,820,668.20x = 563,239,245,443,996.75
  5. Step 5: Solve for x
    x = 563,239,245,443,996.75/26,820,668.20
  6. Step 6: Final answer
    x = 21,000,194.37

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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.