Home / 20,804,590.65-31,206,983.18-7,341,418.65

Finding the Fourth Proportional to 20,804,590.65, 31,206,983.18 and 7,341,418.65

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Solution

The fourth proportional to 20,804,590.65, 31,206,983.18 and 7,341,418.65 is: 11,012,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,590.65 : 31,206,983.18 = 7,341,418.65 : x
  2. Step 2: Convert to fraction form
    20,804,590.65/31,206,983.18 = 7,341,418.65/x
  3. Step 3: Cross multiply
    20,804,590.65x = 31,206,983.18 × 7,341,418.65
  4. Step 4: Simplify right side
    20,804,590.65x = 229,103,528,327,888.31
  5. Step 5: Solve for x
    x = 229,103,528,327,888.31/20,804,590.65
  6. Step 6: Final answer
    x = 11,012,162.28

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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.