Home / 20,859,627.60-31,226,455.80-18,340,203.60

Finding the Fourth Proportional to 20,859,627.60, 31,226,455.80 and 18,340,203.60

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Solution

The fourth proportional to 20,859,627.60, 31,226,455.80 and 18,340,203.60 is: 27,454,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,859,627.60 : 31,226,455.80 = 18,340,203.60 : x
  2. Step 2: Convert to fraction form
    20,859,627.60/31,226,455.80 = 18,340,203.60/x
  3. Step 3: Cross multiply
    20,859,627.60x = 31,226,455.80 × 18,340,203.60
  4. Step 4: Simplify right side
    20,859,627.60x = 572,699,557,078,401
  5. Step 5: Solve for x
    x = 572,699,557,078,401/20,859,627.60
  6. Step 6: Final answer
    x = 27,454,927.20

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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.