Home / 15,618,285.28-21,538,092-12,179,271.52

Finding the Fourth Proportional to 15,618,285.28, 21,538,092 and 12,179,271.52

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Solution

The fourth proportional to 15,618,285.28, 21,538,092 and 12,179,271.52 is: 16,795,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618,285.28 : 21,538,092 = 12,179,271.52 : x
  2. Step 2: Convert to fraction form
    15,618,285.28/21,538,092 = 12,179,271.52/x
  3. Step 3: Cross multiply
    15,618,285.28x = 21,538,092 × 12,179,271.52
  4. Step 4: Simplify right side
    15,618,285.28x = 262,318,270,490,739.84
  5. Step 5: Solve for x
    x = 262,318,270,490,739.84/15,618,285.28
  6. Step 6: Final answer
    x = 16,795,587.08

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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.