Home / 20,317,273.32-28,029,855.36-11,610,775

Finding the Fourth Proportional to 20,317,273.32, 28,029,855.36 and 11,610,775

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Solution

The fourth proportional to 20,317,273.32, 28,029,855.36 and 11,610,775 is: 16,018,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,273.32 : 28,029,855.36 = 11,610,775 : x
  2. Step 2: Convert to fraction form
    20,317,273.32/28,029,855.36 = 11,610,775/x
  3. Step 3: Cross multiply
    20,317,273.32x = 28,029,855.36 × 11,610,775
  4. Step 4: Simplify right side
    20,317,273.32x = 325,448,343,867,504
  5. Step 5: Solve for x
    x = 325,448,343,867,504/20,317,273.32
  6. Step 6: Final answer
    x = 16,018,308.10

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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.