Home / 21,066,234.80-31,599,352.20-19,423,943.60

Finding the Fourth Proportional to 21,066,234.80, 31,599,352.20 and 19,423,943.60

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Solution

The fourth proportional to 21,066,234.80, 31,599,352.20 and 19,423,943.60 is: 29,135,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,234.80 : 31,599,352.20 = 19,423,943.60 : x
  2. Step 2: Convert to fraction form
    21,066,234.80/31,599,352.20 = 19,423,943.60/x
  3. Step 3: Cross multiply
    21,066,234.80x = 31,599,352.20 × 19,423,943.60
  4. Step 4: Simplify right side
    21,066,234.80x = 613,784,034,929,336
  5. Step 5: Solve for x
    x = 613,784,034,929,336/21,066,234.80
  6. Step 6: Final answer
    x = 29,135,915.40

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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.