Home / 30,239,051.80-45,345,965.94-9,484,142.55

Finding the Fourth Proportional to 30,239,051.80, 45,345,965.94 and 9,484,142.55

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Solution

The fourth proportional to 30,239,051.80, 45,345,965.94 and 9,484,142.55 is: 14,222,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239,051.80 : 45,345,965.94 = 9,484,142.55 : x
  2. Step 2: Convert to fraction form
    30,239,051.80/45,345,965.94 = 9,484,142.55/x
  3. Step 3: Cross multiply
    30,239,051.80x = 45,345,965.94 × 9,484,142.55
  4. Step 4: Simplify right side
    30,239,051.80x = 430,067,605,042,404.75
  5. Step 5: Solve for x
    x = 430,067,605,042,404.75/30,239,051.80
  6. Step 6: Final answer
    x = 14,222,258.29

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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.