Home / 15,003,087.84-20,704,240.80-8,127,597.60

Finding the Fourth Proportional to 15,003,087.84, 20,704,240.80 and 8,127,597.60

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Solution

The fourth proportional to 15,003,087.84, 20,704,240.80 and 8,127,597.60 is: 11,216,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003,087.84 : 20,704,240.80 = 8,127,597.60 : x
  2. Step 2: Convert to fraction form
    15,003,087.84/20,704,240.80 = 8,127,597.60/x
  3. Step 3: Cross multiply
    15,003,087.84x = 20,704,240.80 × 8,127,597.60
  4. Step 4: Simplify right side
    15,003,087.84x = 168,275,737,835,902.09
  5. Step 5: Solve for x
    x = 168,275,737,835,902.09/15,003,087.84
  6. Step 6: Final answer
    x = 11,216,073.63

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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.