Home / 8,580,874.59-12,870,637.97-3,788,681.31

Finding the Fourth Proportional to 8,580,874.59, 12,870,637.97 and 3,788,681.31

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Solution

The fourth proportional to 8,580,874.59, 12,870,637.97 and 3,788,681.31 is: 5,682,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,874.59 : 12,870,637.97 = 3,788,681.31 : x
  2. Step 2: Convert to fraction form
    8,580,874.59/12,870,637.97 = 3,788,681.31/x
  3. Step 3: Cross multiply
    8,580,874.59x = 12,870,637.97 × 3,788,681.31
  4. Step 4: Simplify right side
    8,580,874.59x = 48,762,745,505,771.94
  5. Step 5: Solve for x
    x = 48,762,745,505,771.94/8,580,874.59
  6. Step 6: Final answer
    x = 5,682,724.41

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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.