Home / 12,895,896.18-19,343,840.66-8,840,087.92

Finding the Fourth Proportional to 12,895,896.18, 19,343,840.66 and 8,840,087.92

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Solution

The fourth proportional to 12,895,896.18, 19,343,840.66 and 8,840,087.92 is: 13,260,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895,896.18 : 19,343,840.66 = 8,840,087.92 : x
  2. Step 2: Convert to fraction form
    12,895,896.18/19,343,840.66 = 8,840,087.92/x
  3. Step 3: Cross multiply
    12,895,896.18x = 19,343,840.66 × 8,840,087.92
  4. Step 4: Simplify right side
    12,895,896.18x = 171,001,252,144,870.81
  5. Step 5: Solve for x
    x = 171,001,252,144,870.81/12,895,896.18
  6. Step 6: Final answer
    x = 13,260,129.41

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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.