Home / 8,681,986.70-13,019,293.65-4,195,637.90

Finding the Fourth Proportional to 8,681,986.70, 13,019,293.65 and 4,195,637.90

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Solution

The fourth proportional to 8,681,986.70, 13,019,293.65 and 4,195,637.90 is: 6,291,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,986.70 : 13,019,293.65 = 4,195,637.90 : x
  2. Step 2: Convert to fraction form
    8,681,986.70/13,019,293.65 = 4,195,637.90/x
  3. Step 3: Cross multiply
    8,681,986.70x = 13,019,293.65 × 4,195,637.90
  4. Step 4: Simplify right side
    8,681,986.70x = 54,624,241,869,169.34
  5. Step 5: Solve for x
    x = 54,624,241,869,169.34/8,681,986.70
  6. Step 6: Final answer
    x = 6,291,675.37

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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.