Home / 20,952,402.12-28,914,018.66-11,785,023

Finding the Fourth Proportional to 20,952,402.12, 28,914,018.66 and 11,785,023

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Solution

The fourth proportional to 20,952,402.12, 28,914,018.66 and 11,785,023 is: 16,263,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952,402.12 : 28,914,018.66 = 11,785,023 : x
  2. Step 2: Convert to fraction form
    20,952,402.12/28,914,018.66 = 11,785,023/x
  3. Step 3: Cross multiply
    20,952,402.12x = 28,914,018.66 × 11,785,023
  4. Step 4: Simplify right side
    20,952,402.12x = 340,752,374,930,529.19
  5. Step 5: Solve for x
    x = 340,752,374,930,529.19/20,952,402.12
  6. Step 6: Final answer
    x = 16,263,165.10

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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.