Home / 30,131,818.74-45,217,634.43-14,176,710.90

Finding the Fourth Proportional to 30,131,818.74, 45,217,634.43 and 14,176,710.90

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Solution

The fourth proportional to 30,131,818.74, 45,217,634.43 and 14,176,710.90 is: 21,274,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131,818.74 : 45,217,634.43 = 14,176,710.90 : x
  2. Step 2: Convert to fraction form
    30,131,818.74/45,217,634.43 = 14,176,710.90/x
  3. Step 3: Cross multiply
    30,131,818.74x = 45,217,634.43 × 14,176,710.90
  4. Step 4: Simplify right side
    30,131,818.74x = 641,037,330,895,996.25
  5. Step 5: Solve for x
    x = 641,037,330,895,996.25/30,131,818.74
  6. Step 6: Final answer
    x = 21,274,432.07

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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.