Home / 20,881,880.10-31,322,820.15-19,464,704.10

Finding the Fourth Proportional to 20,881,880.10, 31,322,820.15 and 19,464,704.10

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Solution

The fourth proportional to 20,881,880.10, 31,322,820.15 and 19,464,704.10 is: 29,197,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,881,880.10 : 31,322,820.15 = 19,464,704.10 : x
  2. Step 2: Convert to fraction form
    20,881,880.10/31,322,820.15 = 19,464,704.10/x
  3. Step 3: Cross multiply
    20,881,880.10x = 31,322,820.15 × 19,464,704.10
  4. Step 4: Simplify right side
    20,881,880.10x = 609,689,425,797,267.62
  5. Step 5: Solve for x
    x = 609,689,425,797,267.62/20,881,880.10
  6. Step 6: Final answer
    x = 29,197,056.15

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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.