Home / 13,167,384.75-19,733,143.73-7,412,862.87

Finding the Fourth Proportional to 13,167,384.75, 19,733,143.73 and 7,412,862.87

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Solution

The fourth proportional to 13,167,384.75, 19,733,143.73 and 7,412,862.87 is: 11,109,198.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,384.75 : 19,733,143.73 = 7,412,862.87 : x
  2. Step 2: Convert to fraction form
    13,167,384.75/19,733,143.73 = 7,412,862.87/x
  3. Step 3: Cross multiply
    13,167,384.75x = 19,733,143.73 × 7,412,862.87
  4. Step 4: Simplify right side
    13,167,384.75x = 146,279,088,427,426
  5. Step 5: Solve for x
    x = 146,279,088,427,426/13,167,384.75
  6. Step 6: Final answer
    x = 11,109,198.31

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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.