Home / 19,669,130.20-29,503,695.30-19,291,216.60

Finding the Fourth Proportional to 19,669,130.20, 29,503,695.30 and 19,291,216.60

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Solution

The fourth proportional to 19,669,130.20, 29,503,695.30 and 19,291,216.60 is: 28,936,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669,130.20 : 29,503,695.30 = 19,291,216.60 : x
  2. Step 2: Convert to fraction form
    19,669,130.20/29,503,695.30 = 19,291,216.60/x
  3. Step 3: Cross multiply
    19,669,130.20x = 29,503,695.30 × 19,291,216.60
  4. Step 4: Simplify right side
    19,669,130.20x = 569,162,176,532,702
  5. Step 5: Solve for x
    x = 569,162,176,532,702/19,669,130.20
  6. Step 6: Final answer
    x = 28,936,824.90

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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.