Home / 21,027,411.60-31,496,880.60-17,488,467.60

Finding the Fourth Proportional to 21,027,411.60, 31,496,880.60 and 17,488,467.60

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Solution

The fourth proportional to 21,027,411.60, 31,496,880.60 and 17,488,467.60 is: 26,195,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027,411.60 : 31,496,880.60 = 17,488,467.60 : x
  2. Step 2: Convert to fraction form
    21,027,411.60/31,496,880.60 = 17,488,467.60/x
  3. Step 3: Cross multiply
    21,027,411.60x = 31,496,880.60 × 17,488,467.60
  4. Step 4: Simplify right side
    21,027,411.60x = 550,832,175,874,168.62
  5. Step 5: Solve for x
    x = 550,832,175,874,168.62/21,027,411.60
  6. Step 6: Final answer
    x = 26,195,909.72

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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.