Home / 12,983,650.80-19,438,151.40-7,944,802.80

Finding the Fourth Proportional to 12,983,650.80, 19,438,151.40 and 7,944,802.80

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Solution

The fourth proportional to 12,983,650.80, 19,438,151.40 and 7,944,802.80 is: 11,894,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,650.80 : 19,438,151.40 = 7,944,802.80 : x
  2. Step 2: Convert to fraction form
    12,983,650.80/19,438,151.40 = 7,944,802.80/x
  3. Step 3: Cross multiply
    12,983,650.80x = 19,438,151.40 × 7,944,802.80
  4. Step 4: Simplify right side
    12,983,650.80x = 154,432,279,669,543.91
  5. Step 5: Solve for x
    x = 154,432,279,669,543.91/12,983,650.80
  6. Step 6: Final answer
    x = 11,894,364.85

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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.