Home / 16,130,638.96-22,268,508.66-10,931,115.72

Finding the Fourth Proportional to 16,130,638.96, 22,268,508.66 and 10,931,115.72

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Solution

The fourth proportional to 16,130,638.96, 22,268,508.66 and 10,931,115.72 is: 15,090,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130,638.96 : 22,268,508.66 = 10,931,115.72 : x
  2. Step 2: Convert to fraction form
    16,130,638.96/22,268,508.66 = 10,931,115.72/x
  3. Step 3: Cross multiply
    16,130,638.96x = 22,268,508.66 × 10,931,115.72
  4. Step 4: Simplify right side
    16,130,638.96x = 243,419,644,962,939.59
  5. Step 5: Solve for x
    x = 243,419,644,962,939.59/16,130,638.96
  6. Step 6: Final answer
    x = 15,090,514.74

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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.