Home / 13,009,070.82-17,952,280.11-7,207,831.38

Finding the Fourth Proportional to 13,009,070.82, 17,952,280.11 and 7,207,831.38

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Solution

The fourth proportional to 13,009,070.82, 17,952,280.11 and 7,207,831.38 is: 9,946,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,070.82 : 17,952,280.11 = 7,207,831.38 : x
  2. Step 2: Convert to fraction form
    13,009,070.82/17,952,280.11 = 7,207,831.38/x
  3. Step 3: Cross multiply
    13,009,070.82x = 17,952,280.11 × 7,207,831.38
  4. Step 4: Simplify right side
    13,009,070.82x = 129,397,007,919,407.84
  5. Step 5: Solve for x
    x = 129,397,007,919,407.84/13,009,070.82
  6. Step 6: Final answer
    x = 9,946,675.65

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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.