Home / 12,906,599.70-17,812,148.87-7,400,486.85

Finding the Fourth Proportional to 12,906,599.70, 17,812,148.87 and 7,400,486.85

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Solution

The fourth proportional to 12,906,599.70, 17,812,148.87 and 7,400,486.85 is: 10,213,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,599.70 : 17,812,148.87 = 7,400,486.85 : x
  2. Step 2: Convert to fraction form
    12,906,599.70/17,812,148.87 = 7,400,486.85/x
  3. Step 3: Cross multiply
    12,906,599.70x = 17,812,148.87 × 7,400,486.85
  4. Step 4: Simplify right side
    12,906,599.70x = 131,818,573,534,576.34
  5. Step 5: Solve for x
    x = 131,818,573,534,576.34/12,906,599.70
  6. Step 6: Final answer
    x = 10,213,268.91

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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.