Home / 28,896,712.92-39,879,255.42-16,019,656.92

Finding the Fourth Proportional to 28,896,712.92, 39,879,255.42 and 16,019,656.92

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Solution

The fourth proportional to 28,896,712.92, 39,879,255.42 and 16,019,656.92 is: 22,108,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896,712.92 : 39,879,255.42 = 16,019,656.92 : x
  2. Step 2: Convert to fraction form
    28,896,712.92/39,879,255.42 = 16,019,656.92/x
  3. Step 3: Cross multiply
    28,896,712.92x = 39,879,255.42 × 16,019,656.92
  4. Step 4: Simplify right side
    28,896,712.92x = 638,851,990,053,450.50
  5. Step 5: Solve for x
    x = 638,851,990,053,450.50/28,896,712.92
  6. Step 6: Final answer
    x = 22,108,119.77

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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.