Home / 23,155,112.03-31,956,017.09-12,845,156.63

Finding the Fourth Proportional to 23,155,112.03, 31,956,017.09 and 12,845,156.63

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Solution

The fourth proportional to 23,155,112.03, 31,956,017.09 and 12,845,156.63 is: 17,727,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155,112.03 : 31,956,017.09 = 12,845,156.63 : x
  2. Step 2: Convert to fraction form
    23,155,112.03/31,956,017.09 = 12,845,156.63/x
  3. Step 3: Cross multiply
    23,155,112.03x = 31,956,017.09 × 12,845,156.63
  4. Step 4: Simplify right side
    23,155,112.03x = 410,480,044,568,000.94
  5. Step 5: Solve for x
    x = 410,480,044,568,000.94/23,155,112.03
  6. Step 6: Final answer
    x = 17,727,404.82

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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.