Home / 19,011,385.20-28,517,077.80-6,233,181.60

Finding the Fourth Proportional to 19,011,385.20, 28,517,077.80 and 6,233,181.60

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Solution

The fourth proportional to 19,011,385.20, 28,517,077.80 and 6,233,181.60 is: 9,349,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011,385.20 : 28,517,077.80 = 6,233,181.60 : x
  2. Step 2: Convert to fraction form
    19,011,385.20/28,517,077.80 = 6,233,181.60/x
  3. Step 3: Cross multiply
    19,011,385.20x = 28,517,077.80 × 6,233,181.60
  4. Step 4: Simplify right side
    19,011,385.20x = 177,752,124,628,728.47
  5. Step 5: Solve for x
    x = 177,752,124,628,728.47/19,011,385.20
  6. Step 6: Final answer
    x = 9,349,772.40

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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.