Home / 12,427,633-18,642,113.81-3,908,633.77

Finding the Fourth Proportional to 12,427,633, 18,642,113.81 and 3,908,633.77

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Solution

The fourth proportional to 12,427,633, 18,642,113.81 and 3,908,633.77 is: 5,863,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,633 : 18,642,113.81 = 3,908,633.77 : x
  2. Step 2: Convert to fraction form
    12,427,633/18,642,113.81 = 3,908,633.77/x
  3. Step 3: Cross multiply
    12,427,633x = 18,642,113.81 × 3,908,633.77
  4. Step 4: Simplify right side
    12,427,633x = 72,865,195,581,949.36
  5. Step 5: Solve for x
    x = 72,865,195,581,949.36/12,427,633
  6. Step 6: Final answer
    x = 5,863,159.59

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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.