Home / 20,801,802.56-31,206,959.59-7,153,176.34

Finding the Fourth Proportional to 20,801,802.56, 31,206,959.59 and 7,153,176.34

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Solution

The fourth proportional to 20,801,802.56, 31,206,959.59 and 7,153,176.34 is: 10,731,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,802.56 : 31,206,959.59 = 7,153,176.34 : x
  2. Step 2: Convert to fraction form
    20,801,802.56/31,206,959.59 = 7,153,176.34/x
  3. Step 3: Cross multiply
    20,801,802.56x = 31,206,959.59 × 7,153,176.34
  4. Step 4: Simplify right side
    20,801,802.56x = 223,228,885,135,018.03
  5. Step 5: Solve for x
    x = 223,228,885,135,018.03/20,801,802.56
  6. Step 6: Final answer
    x = 10,731,227.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.