Home / 19,570,043.20-29,355,064.80-6,105,121.60

Finding the Fourth Proportional to 19,570,043.20, 29,355,064.80 and 6,105,121.60

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Solution

The fourth proportional to 19,570,043.20, 29,355,064.80 and 6,105,121.60 is: 9,157,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,043.20 : 29,355,064.80 = 6,105,121.60 : x
  2. Step 2: Convert to fraction form
    19,570,043.20/29,355,064.80 = 6,105,121.60/x
  3. Step 3: Cross multiply
    19,570,043.20x = 29,355,064.80 × 6,105,121.60
  4. Step 4: Simplify right side
    19,570,043.20x = 179,216,240,179,879.69
  5. Step 5: Solve for x
    x = 179,216,240,179,879.69/19,570,043.20
  6. Step 6: Final answer
    x = 9,157,682.40

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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.