Home / 21,456,038.80-32,171,616.60-7,994,227.60

Finding the Fourth Proportional to 21,456,038.80, 32,171,616.60 and 7,994,227.60

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Solution

The fourth proportional to 21,456,038.80, 32,171,616.60 and 7,994,227.60 is: 11,986,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,038.80 : 32,171,616.60 = 7,994,227.60 : x
  2. Step 2: Convert to fraction form
    21,456,038.80/32,171,616.60 = 7,994,227.60/x
  3. Step 3: Cross multiply
    21,456,038.80x = 32,171,616.60 × 7,994,227.60
  4. Step 4: Simplify right side
    21,456,038.80x = 257,187,225,360,338.16
  5. Step 5: Solve for x
    x = 257,187,225,360,338.16/21,456,038.80
  6. Step 6: Final answer
    x = 11,986,705.83

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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.