Home / 15,701,533.20-21,670,410.60-8,826,581.52

Finding the Fourth Proportional to 15,701,533.20, 21,670,410.60 and 8,826,581.52

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Solution

The fourth proportional to 15,701,533.20, 21,670,410.60 and 8,826,581.52 is: 12,181,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701,533.20 : 21,670,410.60 = 8,826,581.52 : x
  2. Step 2: Convert to fraction form
    15,701,533.20/21,670,410.60 = 8,826,581.52/x
  3. Step 3: Cross multiply
    15,701,533.20x = 21,670,410.60 × 8,826,581.52
  4. Step 4: Simplify right side
    15,701,533.20x = 191,275,645,732,772.12
  5. Step 5: Solve for x
    x = 191,275,645,732,772.12/15,701,533.20
  6. Step 6: Final answer
    x = 12,181,972.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.