Home / 30,380,248.80-45,565,461.36-11,220,029.28

Finding the Fourth Proportional to 30,380,248.80, 45,565,461.36 and 11,220,029.28

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Solution

The fourth proportional to 30,380,248.80, 45,565,461.36 and 11,220,029.28 is: 16,828,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380,248.80 : 45,565,461.36 = 11,220,029.28 : x
  2. Step 2: Convert to fraction form
    30,380,248.80/45,565,461.36 = 11,220,029.28/x
  3. Step 3: Cross multiply
    30,380,248.80x = 45,565,461.36 × 11,220,029.28
  4. Step 4: Simplify right side
    30,380,248.80x = 511,245,810,615,908.56
  5. Step 5: Solve for x
    x = 511,245,810,615,908.56/30,380,248.80
  6. Step 6: Final answer
    x = 16,828,229.88

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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.