Home / 13,101,831.80-19,652,747.70-8,055,985.40

Finding the Fourth Proportional to 13,101,831.80, 19,652,747.70 and 8,055,985.40

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Solution

The fourth proportional to 13,101,831.80, 19,652,747.70 and 8,055,985.40 is: 12,083,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,831.80 : 19,652,747.70 = 8,055,985.40 : x
  2. Step 2: Convert to fraction form
    13,101,831.80/19,652,747.70 = 8,055,985.40/x
  3. Step 3: Cross multiply
    13,101,831.80x = 19,652,747.70 × 8,055,985.40
  4. Step 4: Simplify right side
    13,101,831.80x = 158,322,248,541,083.59
  5. Step 5: Solve for x
    x = 158,322,248,541,083.59/13,101,831.80
  6. Step 6: Final answer
    x = 12,083,978.10

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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.