Home / 12,801,732.78-19,182,374.89-10,393,812.98

Finding the Fourth Proportional to 12,801,732.78, 19,182,374.89 and 10,393,812.98

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Solution

The fourth proportional to 12,801,732.78, 19,182,374.89 and 10,393,812.98 is: 15,574,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,732.78 : 19,182,374.89 = 10,393,812.98 : x
  2. Step 2: Convert to fraction form
    12,801,732.78/19,182,374.89 = 10,393,812.98/x
  3. Step 3: Cross multiply
    12,801,732.78x = 19,182,374.89 × 10,393,812.98
  4. Step 4: Simplify right side
    12,801,732.78x = 199,378,017,127,410.78
  5. Step 5: Solve for x
    x = 199,378,017,127,410.78/12,801,732.78
  6. Step 6: Final answer
    x = 15,574,299.24

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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.