Home / 12,866,866.52-19,300,920.48-4,230,775.76

Finding the Fourth Proportional to 12,866,866.52, 19,300,920.48 and 4,230,775.76

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Solution

The fourth proportional to 12,866,866.52, 19,300,920.48 and 4,230,775.76 is: 6,346,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,866.52 : 19,300,920.48 = 4,230,775.76 : x
  2. Step 2: Convert to fraction form
    12,866,866.52/19,300,920.48 = 4,230,775.76/x
  3. Step 3: Cross multiply
    12,866,866.52x = 19,300,920.48 × 4,230,775.76
  4. Step 4: Simplify right side
    12,866,866.52x = 81,657,866,512,471.56
  5. Step 5: Solve for x
    x = 81,657,866,512,471.56/12,866,866.52
  6. Step 6: Final answer
    x = 6,346,367.73

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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.