Home / 25,380,545.30-35,025,578.46-13,778,108.77

Finding the Fourth Proportional to 25,380,545.30, 35,025,578.46 and 13,778,108.77

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Solution

The fourth proportional to 25,380,545.30, 35,025,578.46 and 13,778,108.77 is: 19,014,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380,545.30 : 35,025,578.46 = 13,778,108.77 : x
  2. Step 2: Convert to fraction form
    25,380,545.30/35,025,578.46 = 13,778,108.77/x
  3. Step 3: Cross multiply
    25,380,545.30x = 35,025,578.46 × 13,778,108.77
  4. Step 4: Simplify right side
    25,380,545.30x = 482,586,229,685,158.50
  5. Step 5: Solve for x
    x = 482,586,229,685,158.50/25,380,545.30
  6. Step 6: Final answer
    x = 19,014,021.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.