Home / 12,812,011.82-17,680,576.13-7,010,793.39

Finding the Fourth Proportional to 12,812,011.82, 17,680,576.13 and 7,010,793.39

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Solution

The fourth proportional to 12,812,011.82, 17,680,576.13 and 7,010,793.39 is: 9,674,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,011.82 : 17,680,576.13 = 7,010,793.39 : x
  2. Step 2: Convert to fraction form
    12,812,011.82/17,680,576.13 = 7,010,793.39/x
  3. Step 3: Cross multiply
    12,812,011.82x = 17,680,576.13 × 7,010,793.39
  4. Step 4: Simplify right side
    12,812,011.82x = 123,954,866,263,595.77
  5. Step 5: Solve for x
    x = 123,954,866,263,595.77/12,812,011.82
  6. Step 6: Final answer
    x = 9,674,894.78

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1.5x scale

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.