Home / 19,955,422.20-29,933,133.30-19,766,465.40

Finding the Fourth Proportional to 19,955,422.20, 29,933,133.30 and 19,766,465.40

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Solution

The fourth proportional to 19,955,422.20, 29,933,133.30 and 19,766,465.40 is: 29,649,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955,422.20 : 29,933,133.30 = 19,766,465.40 : x
  2. Step 2: Convert to fraction form
    19,955,422.20/29,933,133.30 = 19,766,465.40/x
  3. Step 3: Cross multiply
    19,955,422.20x = 29,933,133.30 × 19,766,465.40
  4. Step 4: Simplify right side
    19,955,422.20x = 591,672,243,688,037.75
  5. Step 5: Solve for x
    x = 591,672,243,688,037.75/19,955,422.20
  6. Step 6: Final answer
    x = 29,649,698.10

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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.