Home / 12,077,455.19-18,112,344.59-3,988,923.17

Finding the Fourth Proportional to 12,077,455.19, 18,112,344.59 and 3,988,923.17

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Solution

The fourth proportional to 12,077,455.19, 18,112,344.59 and 3,988,923.17 is: 5,982,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077,455.19 : 18,112,344.59 = 3,988,923.17 : x
  2. Step 2: Convert to fraction form
    12,077,455.19/18,112,344.59 = 3,988,923.17/x
  3. Step 3: Cross multiply
    12,077,455.19x = 18,112,344.59 × 3,988,923.17
  4. Step 4: Simplify right side
    12,077,455.19x = 72,248,750,917,485.73
  5. Step 5: Solve for x
    x = 72,248,750,917,485.73/12,077,455.19
  6. Step 6: Final answer
    x = 5,982,117.08

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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.