Home / 14,505,876.64-20,018,483.28-7,979,673.76

Finding the Fourth Proportional to 14,505,876.64, 20,018,483.28 and 7,979,673.76

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Solution

The fourth proportional to 14,505,876.64, 20,018,483.28 and 7,979,673.76 is: 11,012,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505,876.64 : 20,018,483.28 = 7,979,673.76 : x
  2. Step 2: Convert to fraction form
    14,505,876.64/20,018,483.28 = 7,979,673.76/x
  3. Step 3: Cross multiply
    14,505,876.64x = 20,018,483.28 × 7,979,673.76
  4. Step 4: Simplify right side
    14,505,876.64x = 159,740,965,744,414.75
  5. Step 5: Solve for x
    x = 159,740,965,744,414.75/14,505,876.64
  6. Step 6: Final answer
    x = 11,012,155.26

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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.