Home / 12,772,855.47-19,167,745.01-7,019,606.91

Finding the Fourth Proportional to 12,772,855.47, 19,167,745.01 and 7,019,606.91

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Solution

The fourth proportional to 12,772,855.47, 19,167,745.01 and 7,019,606.91 is: 10,534,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,855.47 : 19,167,745.01 = 7,019,606.91 : x
  2. Step 2: Convert to fraction form
    12,772,855.47/19,167,745.01 = 7,019,606.91/x
  3. Step 3: Cross multiply
    12,772,855.47x = 19,167,745.01 × 7,019,606.91
  4. Step 4: Simplify right side
    12,772,855.47x = 134,550,035,286,215.98
  5. Step 5: Solve for x
    x = 134,550,035,286,215.98/12,772,855.47
  6. Step 6: Final answer
    x = 10,534,060.74

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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.