Home / 20,496,272.40-30,777,344.28-13,590,417.96

Finding the Fourth Proportional to 20,496,272.40, 30,777,344.28 and 13,590,417.96

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Solution

The fourth proportional to 20,496,272.40, 30,777,344.28 and 13,590,417.96 is: 20,407,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496,272.40 : 30,777,344.28 = 13,590,417.96 : x
  2. Step 2: Convert to fraction form
    20,496,272.40/30,777,344.28 = 13,590,417.96/x
  3. Step 3: Cross multiply
    20,496,272.40x = 30,777,344.28 × 13,590,417.96
  4. Step 4: Simplify right side
    20,496,272.40x = 418,276,972,464,015.31
  5. Step 5: Solve for x
    x = 418,276,972,464,015.31/20,496,272.40
  6. Step 6: Final answer
    x = 20,407,465.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.