Home / 8,333,689.07-12,501,021.78-3,216,145.79

Finding the Fourth Proportional to 8,333,689.07, 12,501,021.78 and 3,216,145.79

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Solution

The fourth proportional to 8,333,689.07, 12,501,021.78 and 3,216,145.79 is: 4,824,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,689.07 : 12,501,021.78 = 3,216,145.79 : x
  2. Step 2: Convert to fraction form
    8,333,689.07/12,501,021.78 = 3,216,145.79/x
  3. Step 3: Cross multiply
    8,333,689.07x = 12,501,021.78 × 3,216,145.79
  4. Step 4: Simplify right side
    8,333,689.07x = 40,205,108,568,445.30
  5. Step 5: Solve for x
    x = 40,205,108,568,445.30/8,333,689.07
  6. Step 6: Final answer
    x = 4,824,407.08

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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.