Home / 28,493,924.16-39,315,820.32-16,886,379.84

Finding the Fourth Proportional to 28,493,924.16, 39,315,820.32 and 16,886,379.84

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Solution

The fourth proportional to 28,493,924.16, 39,315,820.32 and 16,886,379.84 is: 23,299,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493,924.16 : 39,315,820.32 = 16,886,379.84 : x
  2. Step 2: Convert to fraction form
    28,493,924.16/39,315,820.32 = 16,886,379.84/x
  3. Step 3: Cross multiply
    28,493,924.16x = 39,315,820.32 × 16,886,379.84
  4. Step 4: Simplify right side
    28,493,924.16x = 663,901,875,644,710.38
  5. Step 5: Solve for x
    x = 663,901,875,644,710.38/28,493,924.16
  6. Step 6: Final answer
    x = 23,299,769.87

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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.