Home / 12,983,371.88-19,462,402.32-5,412,502.76

Finding the Fourth Proportional to 12,983,371.88, 19,462,402.32 and 5,412,502.76

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Solution

The fourth proportional to 12,983,371.88, 19,462,402.32 and 5,412,502.76 is: 8,113,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,371.88 : 19,462,402.32 = 5,412,502.76 : x
  2. Step 2: Convert to fraction form
    12,983,371.88/19,462,402.32 = 5,412,502.76/x
  3. Step 3: Cross multiply
    12,983,371.88x = 19,462,402.32 × 5,412,502.76
  4. Step 4: Simplify right side
    12,983,371.88x = 105,340,306,273,230.41
  5. Step 5: Solve for x
    x = 105,340,306,273,230.41/12,983,371.88
  6. Step 6: Final answer
    x = 8,113,478.32

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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.