Home / 15,152,280.12-20,910,145.82-8,182,957.05

Finding the Fourth Proportional to 15,152,280.12, 20,910,145.82 and 8,182,957.05

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Solution

The fourth proportional to 15,152,280.12, 20,910,145.82 and 8,182,957.05 is: 11,292,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152,280.12 : 20,910,145.82 = 8,182,957.05 : x
  2. Step 2: Convert to fraction form
    15,152,280.12/20,910,145.82 = 8,182,957.05/x
  3. Step 3: Cross multiply
    15,152,280.12x = 20,910,145.82 × 8,182,957.05
  4. Step 4: Simplify right side
    15,152,280.12x = 171,106,825,113,382.25
  5. Step 5: Solve for x
    x = 171,106,825,113,382.25/15,152,280.12
  6. Step 6: Final answer
    x = 11,292,480.32

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1.5x scale

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.