Home / 15,585,983.33-21,509,321.24-8,710,465.19

Finding the Fourth Proportional to 15,585,983.33, 21,509,321.24 and 8,710,465.19

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Solution

The fourth proportional to 15,585,983.33, 21,509,321.24 and 8,710,465.19 is: 12,020,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,983.33 : 21,509,321.24 = 8,710,465.19 : x
  2. Step 2: Convert to fraction form
    15,585,983.33/21,509,321.24 = 8,710,465.19/x
  3. Step 3: Cross multiply
    15,585,983.33x = 21,509,321.24 × 8,710,465.19
  4. Step 4: Simplify right side
    15,585,983.33x = 187,356,193,835,777.19
  5. Step 5: Solve for x
    x = 187,356,193,835,777.19/15,585,983.33
  6. Step 6: Final answer
    x = 12,020,813.18

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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.