Home / 19,911,795.20-29,793,043.20-13,193,331.20

Finding the Fourth Proportional to 19,911,795.20, 29,793,043.20 and 13,193,331.20

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Solution

The fourth proportional to 19,911,795.20, 29,793,043.20 and 13,193,331.20 is: 19,740,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911,795.20 : 29,793,043.20 = 13,193,331.20 : x
  2. Step 2: Convert to fraction form
    19,911,795.20/29,793,043.20 = 13,193,331.20/x
  3. Step 3: Cross multiply
    19,911,795.20x = 29,793,043.20 × 13,193,331.20
  4. Step 4: Simplify right side
    19,911,795.20x = 393,069,486,393,507.81
  5. Step 5: Solve for x
    x = 393,069,486,393,507.81/19,911,795.20
  6. Step 6: Final answer
    x = 19,740,534.82

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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.