Home / 8,260,875.45-11,390,817.98-5,647,805.33

Finding the Fourth Proportional to 8,260,875.45, 11,390,817.98 and 5,647,805.33

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Solution

The fourth proportional to 8,260,875.45, 11,390,817.98 and 5,647,805.33 is: 7,787,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260,875.45 : 11,390,817.98 = 5,647,805.33 : x
  2. Step 2: Convert to fraction form
    8,260,875.45/11,390,817.98 = 5,647,805.33/x
  3. Step 3: Cross multiply
    8,260,875.45x = 11,390,817.98 × 5,647,805.33
  4. Step 4: Simplify right side
    8,260,875.45x = 64,333,122,457,669.26
  5. Step 5: Solve for x
    x = 64,333,122,457,669.26/8,260,875.45
  6. Step 6: Final answer
    x = 7,787,688.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.