Home / 12,737,455.19-19,109,134.43-3,639,671.27

Finding the Fourth Proportional to 12,737,455.19, 19,109,134.43 and 3,639,671.27

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Solution

The fourth proportional to 12,737,455.19, 19,109,134.43 and 3,639,671.27 is: 5,460,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737,455.19 : 19,109,134.43 = 3,639,671.27 : x
  2. Step 2: Convert to fraction form
    12,737,455.19/19,109,134.43 = 3,639,671.27/x
  3. Step 3: Cross multiply
    12,737,455.19x = 19,109,134.43 × 3,639,671.27
  4. Step 4: Simplify right side
    12,737,455.19x = 69,550,967,579,438.83
  5. Step 5: Solve for x
    x = 69,550,967,579,438.83/12,737,455.19
  6. Step 6: Final answer
    x = 5,460,350.32

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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.