Home / 21,262,564.70-31,893,847.05-5,909,824.70

Finding the Fourth Proportional to 21,262,564.70, 31,893,847.05 and 5,909,824.70

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Solution

The fourth proportional to 21,262,564.70, 31,893,847.05 and 5,909,824.70 is: 8,864,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262,564.70 : 31,893,847.05 = 5,909,824.70 : x
  2. Step 2: Convert to fraction form
    21,262,564.70/31,893,847.05 = 5,909,824.70/x
  3. Step 3: Cross multiply
    21,262,564.70x = 31,893,847.05 × 5,909,824.70
  4. Step 4: Simplify right side
    21,262,564.70x = 188,487,045,074,112.16
  5. Step 5: Solve for x
    x = 188,487,045,074,112.16/21,262,564.70
  6. Step 6: Final answer
    x = 8,864,737.05

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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.