Home / 8,702,825.63-12,010,223.49-5,218,731.65

Finding the Fourth Proportional to 8,702,825.63, 12,010,223.49 and 5,218,731.65

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Solution

The fourth proportional to 8,702,825.63, 12,010,223.49 and 5,218,731.65 is: 7,202,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,825.63 : 12,010,223.49 = 5,218,731.65 : x
  2. Step 2: Convert to fraction form
    8,702,825.63/12,010,223.49 = 5,218,731.65/x
  3. Step 3: Cross multiply
    8,702,825.63x = 12,010,223.49 × 5,218,731.65
  4. Step 4: Simplify right side
    8,702,825.63x = 62,678,133,450,836.46
  5. Step 5: Solve for x
    x = 62,678,133,450,836.46/8,702,825.63
  6. Step 6: Final answer
    x = 7,202,044.04

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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.