Home / 20,804,572.65-31,206,956.18-7,341,400.65

Finding the Fourth Proportional to 20,804,572.65, 31,206,956.18 and 7,341,400.65

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Solution

The fourth proportional to 20,804,572.65, 31,206,956.18 and 7,341,400.65 is: 11,012,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,572.65 : 31,206,956.18 = 7,341,400.65 : x
  2. Step 2: Convert to fraction form
    20,804,572.65/31,206,956.18 = 7,341,400.65/x
  3. Step 3: Cross multiply
    20,804,572.65x = 31,206,956.18 × 7,341,400.65
  4. Step 4: Simplify right side
    20,804,572.65x = 229,102,768,384,373.53
  5. Step 5: Solve for x
    x = 229,102,768,384,373.53/20,804,572.65
  6. Step 6: Final answer
    x = 11,012,135.28

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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.