Home / 7,156,100.38-9,879,491.01-4,715,802.04

Finding the Fourth Proportional to 7,156,100.38, 9,879,491.01 and 4,715,802.04

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Solution

The fourth proportional to 7,156,100.38, 9,879,491.01 and 4,715,802.04 is: 6,510,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,100.38 : 9,879,491.01 = 4,715,802.04 : x
  2. Step 2: Convert to fraction form
    7,156,100.38/9,879,491.01 = 4,715,802.04/x
  3. Step 3: Cross multiply
    7,156,100.38x = 9,879,491.01 × 4,715,802.04
  4. Step 4: Simplify right side
    7,156,100.38x = 46,589,723,859,119.66
  5. Step 5: Solve for x
    x = 46,589,723,859,119.66/7,156,100.38
  6. Step 6: Final answer
    x = 6,510,490.54

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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.