Home / 8,500,211.81-12,750,309.93-2,664,439.51

Finding the Fourth Proportional to 8,500,211.81, 12,750,309.93 and 2,664,439.51

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Solution

The fourth proportional to 8,500,211.81, 12,750,309.93 and 2,664,439.51 is: 3,996,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,211.81 : 12,750,309.93 = 2,664,439.51 : x
  2. Step 2: Convert to fraction form
    8,500,211.81/12,750,309.93 = 2,664,439.51/x
  3. Step 3: Cross multiply
    8,500,211.81x = 12,750,309.93 × 2,664,439.51
  4. Step 4: Simplify right side
    8,500,211.81x = 33,972,429,478,092.74
  5. Step 5: Solve for x
    x = 33,972,429,478,092.74/8,500,211.81
  6. Step 6: Final answer
    x = 3,996,656.82

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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.