Home / 20,594,022.90-30,890,036-7,642,698.42

Finding the Fourth Proportional to 20,594,022.90, 30,890,036 and 7,642,698.42

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Solution

The fourth proportional to 20,594,022.90, 30,890,036 and 7,642,698.42 is: 11,463,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,022.90 : 30,890,036 = 7,642,698.42 : x
  2. Step 2: Convert to fraction form
    20,594,022.90/30,890,036 = 7,642,698.42/x
  3. Step 3: Cross multiply
    20,594,022.90x = 30,890,036 × 7,642,698.42
  4. Step 4: Simplify right side
    20,594,022.90x = 236,083,229,330,943.12
  5. Step 5: Solve for x
    x = 236,083,229,330,943.12/20,594,022.90
  6. Step 6: Final answer
    x = 11,463,677.13

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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.