Home / 48,526,612.74-72,825,032.75-18,987,172.79

Finding the Fourth Proportional to 48,526,612.74, 72,825,032.75 and 18,987,172.79

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Solution

The fourth proportional to 48,526,612.74, 72,825,032.75 and 18,987,172.79 is: 28,494,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,526,612.74 : 72,825,032.75 = 18,987,172.79 : x
  2. Step 2: Convert to fraction form
    48,526,612.74/72,825,032.75 = 18,987,172.79/x
  3. Step 3: Cross multiply
    48,526,612.74x = 72,825,032.75 × 18,987,172.79
  4. Step 4: Simplify right side
    48,526,612.74x = 1,382,741,479,802,598
  5. Step 5: Solve for x
    x = 1,382,741,479,802,598/48,526,612.74
  6. Step 6: Final answer
    x = 28,494,498.21

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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.