Home / 21,168,163.20-31,752,244.80-14,001,801.60

Finding the Fourth Proportional to 21,168,163.20, 31,752,244.80 and 14,001,801.60

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Solution

The fourth proportional to 21,168,163.20, 31,752,244.80 and 14,001,801.60 is: 21,002,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168,163.20 : 31,752,244.80 = 14,001,801.60 : x
  2. Step 2: Convert to fraction form
    21,168,163.20/31,752,244.80 = 14,001,801.60/x
  3. Step 3: Cross multiply
    21,168,163.20x = 31,752,244.80 × 14,001,801.60
  4. Step 4: Simplify right side
    21,168,163.20x = 444,588,632,044,231.69
  5. Step 5: Solve for x
    x = 444,588,632,044,231.69/21,168,163.20
  6. Step 6: Final answer
    x = 21,002,702.40

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1.5x scale

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.