Home / 28,889,585-39,867,633.06-16,012,529

Finding the Fourth Proportional to 28,889,585, 39,867,633.06 and 16,012,529

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Solution

The fourth proportional to 28,889,585, 39,867,633.06 and 16,012,529 is: 22,097,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,585 : 39,867,633.06 = 16,012,529 : x
  2. Step 2: Convert to fraction form
    28,889,585/39,867,633.06 = 16,012,529/x
  3. Step 3: Cross multiply
    28,889,585x = 39,867,633.06 × 16,012,529
  4. Step 4: Simplify right side
    28,889,585x = 638,381,630,534,608.75
  5. Step 5: Solve for x
    x = 638,381,630,534,608.75/28,889,585
  6. Step 6: Final answer
    x = 22,097,293.21

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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.