Home / 12,942,271.24-17,860,708.08-7,141,426.66

Finding the Fourth Proportional to 12,942,271.24, 17,860,708.08 and 7,141,426.66

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Solution

The fourth proportional to 12,942,271.24, 17,860,708.08 and 7,141,426.66 is: 9,855,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,271.24 : 17,860,708.08 = 7,141,426.66 : x
  2. Step 2: Convert to fraction form
    12,942,271.24/17,860,708.08 = 7,141,426.66/x
  3. Step 3: Cross multiply
    12,942,271.24x = 17,860,708.08 × 7,141,426.66
  4. Step 4: Simplify right side
    12,942,271.24x = 127,550,936,848,989.41
  5. Step 5: Solve for x
    x = 127,550,936,848,989.41/12,942,271.24
  6. Step 6: Final answer
    x = 9,855,375.03

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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.