Home / 12,808,350.34-19,193,513.19-7,120,750.66

Finding the Fourth Proportional to 12,808,350.34, 19,193,513.19 and 7,120,750.66

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Solution

The fourth proportional to 12,808,350.34, 19,193,513.19 and 7,120,750.66 is: 10,670,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808,350.34 : 19,193,513.19 = 7,120,750.66 : x
  2. Step 2: Convert to fraction form
    12,808,350.34/19,193,513.19 = 7,120,750.66/x
  3. Step 3: Cross multiply
    12,808,350.34x = 19,193,513.19 × 7,120,750.66
  4. Step 4: Simplify right side
    12,808,350.34x = 136,672,221,715,411.22
  5. Step 5: Solve for x
    x = 136,672,221,715,411.22/12,808,350.34
  6. Step 6: Final answer
    x = 10,670,556.17

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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.