Home / 28,979,663.76-39,991,090.32-16,589,346.48

Finding the Fourth Proportional to 28,979,663.76, 39,991,090.32 and 16,589,346.48

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Solution

The fourth proportional to 28,979,663.76, 39,991,090.32 and 16,589,346.48 is: 22,892,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,663.76 : 39,991,090.32 = 16,589,346.48 : x
  2. Step 2: Convert to fraction form
    28,979,663.76/39,991,090.32 = 16,589,346.48/x
  3. Step 3: Cross multiply
    28,979,663.76x = 39,991,090.32 × 16,589,346.48
  4. Step 4: Simplify right side
    28,979,663.76x = 663,426,053,431,454.12
  5. Step 5: Solve for x
    x = 663,426,053,431,454.12/28,979,663.76
  6. Step 6: Final answer
    x = 22,892,814.04

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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.