Home / 28,896,709.92-39,879,251.28-16,019,653.92

Finding the Fourth Proportional to 28,896,709.92, 39,879,251.28 and 16,019,653.92

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Solution

The fourth proportional to 28,896,709.92, 39,879,251.28 and 16,019,653.92 is: 22,108,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896,709.92 : 39,879,251.28 = 16,019,653.92 : x
  2. Step 2: Convert to fraction form
    28,896,709.92/39,879,251.28 = 16,019,653.92/x
  3. Step 3: Cross multiply
    28,896,709.92x = 39,879,251.28 × 16,019,653.92
  4. Step 4: Simplify right side
    28,896,709.92x = 638,851,804,094,317
  5. Step 5: Solve for x
    x = 638,851,804,094,317/28,896,709.92
  6. Step 6: Final answer
    x = 22,108,115.63

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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.