Home / 12,992,042.76-19,479,206.70-6,589,950.18

Finding the Fourth Proportional to 12,992,042.76, 19,479,206.70 and 6,589,950.18

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Solution

The fourth proportional to 12,992,042.76, 19,479,206.70 and 6,589,950.18 is: 9,880,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,042.76 : 19,479,206.70 = 6,589,950.18 : x
  2. Step 2: Convert to fraction form
    12,992,042.76/19,479,206.70 = 6,589,950.18/x
  3. Step 3: Cross multiply
    12,992,042.76x = 19,479,206.70 × 6,589,950.18
  4. Step 4: Simplify right side
    12,992,042.76x = 128,367,001,698,922.19
  5. Step 5: Solve for x
    x = 128,367,001,698,922.19/12,992,042.76
  6. Step 6: Final answer
    x = 9,880,432.51

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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.