Home / 12,386,434.16-18,585,738.12-5,567,825

Finding the Fourth Proportional to 12,386,434.16, 18,585,738.12 and 5,567,825

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Solution

The fourth proportional to 12,386,434.16, 18,585,738.12 and 5,567,825 is: 8,354,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386,434.16 : 18,585,738.12 = 5,567,825 : x
  2. Step 2: Convert to fraction form
    12,386,434.16/18,585,738.12 = 5,567,825/x
  3. Step 3: Cross multiply
    12,386,434.16x = 18,585,738.12 × 5,567,825
  4. Step 4: Simplify right side
    12,386,434.16x = 103,482,137,347,989
  5. Step 5: Solve for x
    x = 103,482,137,347,989/12,386,434.16
  6. Step 6: Final answer
    x = 8,354,473.61

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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.