Home / 19,591,569.60-29,379,664.80-7,454,587.20

Finding the Fourth Proportional to 19,591,569.60, 29,379,664.80 and 7,454,587.20

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Solution

The fourth proportional to 19,591,569.60, 29,379,664.80 and 7,454,587.20 is: 11,178,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591,569.60 : 29,379,664.80 = 7,454,587.20 : x
  2. Step 2: Convert to fraction form
    19,591,569.60/29,379,664.80 = 7,454,587.20/x
  3. Step 3: Cross multiply
    19,591,569.60x = 29,379,664.80 × 7,454,587.20
  4. Step 4: Simplify right side
    19,591,569.60x = 219,013,273,158,370.56
  5. Step 5: Solve for x
    x = 219,013,273,158,370.56/19,591,569.60
  6. Step 6: Final answer
    x = 11,178,954.91

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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.