Home / 20,251,018.80-30,376,528.20-5,104,950.30

Finding the Fourth Proportional to 20,251,018.80, 30,376,528.20 and 5,104,950.30

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Solution

The fourth proportional to 20,251,018.80, 30,376,528.20 and 5,104,950.30 is: 7,657,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,018.80 : 30,376,528.20 = 5,104,950.30 : x
  2. Step 2: Convert to fraction form
    20,251,018.80/30,376,528.20 = 5,104,950.30/x
  3. Step 3: Cross multiply
    20,251,018.80x = 30,376,528.20 × 5,104,950.30
  4. Step 4: Simplify right side
    20,251,018.80x = 155,070,666,747,548.44
  5. Step 5: Solve for x
    x = 155,070,666,747,548.44/20,251,018.80
  6. Step 6: Final answer
    x = 7,657,425.45

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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.