Home / 39,289,324.80-58,940,438.40-12,356,486.40

Finding the Fourth Proportional to 39,289,324.80, 58,940,438.40 and 12,356,486.40

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Solution

The fourth proportional to 39,289,324.80, 58,940,438.40 and 12,356,486.40 is: 18,536,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289,324.80 : 58,940,438.40 = 12,356,486.40 : x
  2. Step 2: Convert to fraction form
    39,289,324.80/58,940,438.40 = 12,356,486.40/x
  3. Step 3: Cross multiply
    39,289,324.80x = 58,940,438.40 × 12,356,486.40
  4. Step 4: Simplify right side
    39,289,324.80x = 728,296,725,499,637.75
  5. Step 5: Solve for x
    x = 728,296,725,499,637.75/39,289,324.80
  6. Step 6: Final answer
    x = 18,536,758.50

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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.