Home / 18,472,869-27,710,222.04-13,087,600.20

Finding the Fourth Proportional to 18,472,869, 27,710,222.04 and 13,087,600.20

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Solution

The fourth proportional to 18,472,869, 27,710,222.04 and 13,087,600.20 is: 19,632,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472,869 : 27,710,222.04 = 13,087,600.20 : x
  2. Step 2: Convert to fraction form
    18,472,869/27,710,222.04 = 13,087,600.20/x
  3. Step 3: Cross multiply
    18,472,869x = 27,710,222.04 × 13,087,600.20
  4. Step 4: Simplify right side
    18,472,869x = 362,660,307,512,748.38
  5. Step 5: Solve for x
    x = 362,660,307,512,748.38/18,472,869
  6. Step 6: Final answer
    x = 19,632,051.06

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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.