Home / 12,997,924.19-19,465,940.30-7,521,474.30

Finding the Fourth Proportional to 12,997,924.19, 19,465,940.30 and 7,521,474.30

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Solution

The fourth proportional to 12,997,924.19, 19,465,940.30 and 7,521,474.30 is: 11,264,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,924.19 : 19,465,940.30 = 7,521,474.30 : x
  2. Step 2: Convert to fraction form
    12,997,924.19/19,465,940.30 = 7,521,474.30/x
  3. Step 3: Cross multiply
    12,997,924.19x = 19,465,940.30 × 7,521,474.30
  4. Step 4: Simplify right side
    12,997,924.19x = 146,412,569,654,176.94
  5. Step 5: Solve for x
    x = 146,412,569,654,176.94/12,997,924.19
  6. Step 6: Final answer
    x = 11,264,304.02

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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.