Home / 19,355,999.20-29,033,998.80-15,772,818.40

Finding the Fourth Proportional to 19,355,999.20, 29,033,998.80 and 15,772,818.40

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Solution

The fourth proportional to 19,355,999.20, 29,033,998.80 and 15,772,818.40 is: 23,659,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355,999.20 : 29,033,998.80 = 15,772,818.40 : x
  2. Step 2: Convert to fraction form
    19,355,999.20/29,033,998.80 = 15,772,818.40/x
  3. Step 3: Cross multiply
    19,355,999.20x = 29,033,998.80 × 15,772,818.40
  4. Step 4: Simplify right side
    19,355,999.20x = 457,947,990,498,217.94
  5. Step 5: Solve for x
    x = 457,947,990,498,217.94/19,355,999.20
  6. Step 6: Final answer
    x = 23,659,227.60

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Similar ratio
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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.