Home / 31,838,011.10-43,936,604.10-18,087,729.74

Finding the Fourth Proportional to 31,838,011.10, 43,936,604.10 and 18,087,729.74

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Solution

The fourth proportional to 31,838,011.10, 43,936,604.10 and 18,087,729.74 is: 24,961,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,011.10 : 43,936,604.10 = 18,087,729.74 : x
  2. Step 2: Convert to fraction form
    31,838,011.10/43,936,604.10 = 18,087,729.74/x
  3. Step 3: Cross multiply
    31,838,011.10x = 43,936,604.10 × 18,087,729.74
  4. Step 4: Simplify right side
    31,838,011.10x = 794,713,420,434,492.88
  5. Step 5: Solve for x
    x = 794,713,420,434,492.88/31,838,011.10
  6. Step 6: Final answer
    x = 24,961,151.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.