Home / 31,185,838.46-46,786,729.31-12,011,447.18

Finding the Fourth Proportional to 31,185,838.46, 46,786,729.31 and 12,011,447.18

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Solution

The fourth proportional to 31,185,838.46, 46,786,729.31 and 12,011,447.18 is: 18,020,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185,838.46 : 46,786,729.31 = 12,011,447.18 : x
  2. Step 2: Convert to fraction form
    31,185,838.46/46,786,729.31 = 12,011,447.18/x
  3. Step 3: Cross multiply
    31,185,838.46x = 46,786,729.31 × 12,011,447.18
  4. Step 4: Simplify right side
    31,185,838.46x = 561,976,327,832,022.88
  5. Step 5: Solve for x
    x = 561,976,327,832,022.88/31,185,838.46
  6. Step 6: Final answer
    x = 18,020,241.10

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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.