Home / 15,585,942.83-21,509,265.35-8,710,424.69

Finding the Fourth Proportional to 15,585,942.83, 21,509,265.35 and 8,710,424.69

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Solution

The fourth proportional to 15,585,942.83, 21,509,265.35 and 8,710,424.69 is: 12,020,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,942.83 : 21,509,265.35 = 8,710,424.69 : x
  2. Step 2: Convert to fraction form
    15,585,942.83/21,509,265.35 = 8,710,424.69/x
  3. Step 3: Cross multiply
    15,585,942.83x = 21,509,265.35 × 8,710,424.69
  4. Step 4: Simplify right side
    15,585,942.83x = 187,354,835,882,631.22
  5. Step 5: Solve for x
    x = 187,354,835,882,631.22/15,585,942.83
  6. Step 6: Final answer
    x = 12,020,757.29

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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.