Home / 28,420,490.58-42,634,067.40-9,970,794.96

Finding the Fourth Proportional to 28,420,490.58, 42,634,067.40 and 9,970,794.96

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Solution

The fourth proportional to 28,420,490.58, 42,634,067.40 and 9,970,794.96 is: 14,957,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,490.58 : 42,634,067.40 = 9,970,794.96 : x
  2. Step 2: Convert to fraction form
    28,420,490.58/42,634,067.40 = 9,970,794.96/x
  3. Step 3: Cross multiply
    28,420,490.58x = 42,634,067.40 × 9,970,794.96
  4. Step 4: Simplify right side
    28,420,490.58x = 425,095,544,356,220.31
  5. Step 5: Solve for x
    x = 425,095,544,356,220.31/28,420,490.58
  6. Step 6: Final answer
    x = 14,957,361.24

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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.