Home / 28,183,886.08-38,893,837.44-16,581,886.72

Finding the Fourth Proportional to 28,183,886.08, 38,893,837.44 and 16,581,886.72

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Solution

The fourth proportional to 28,183,886.08, 38,893,837.44 and 16,581,886.72 is: 22,883,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183,886.08 : 38,893,837.44 = 16,581,886.72 : x
  2. Step 2: Convert to fraction form
    28,183,886.08/38,893,837.44 = 16,581,886.72/x
  3. Step 3: Cross multiply
    28,183,886.08x = 38,893,837.44 × 16,581,886.72
  4. Step 4: Simplify right side
    28,183,886.08x = 644,933,206,536,174.75
  5. Step 5: Solve for x
    x = 644,933,206,536,174.75/28,183,886.08
  6. Step 6: Final answer
    x = 22,883,047.59

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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.