Home / 10,665,257.60-15,999,268.80-5,276,662.40

Finding the Fourth Proportional to 10,665,257.60, 15,999,268.80 and 5,276,662.40

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Solution

The fourth proportional to 10,665,257.60, 15,999,268.80 and 5,276,662.40 is: 7,915,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665,257.60 : 15,999,268.80 = 5,276,662.40 : x
  2. Step 2: Convert to fraction form
    10,665,257.60/15,999,268.80 = 5,276,662.40/x
  3. Step 3: Cross multiply
    10,665,257.60x = 15,999,268.80 × 5,276,662.40
  4. Step 4: Simplify right side
    10,665,257.60x = 84,422,740,104,453.12
  5. Step 5: Solve for x
    x = 84,422,740,104,453.12/10,665,257.60
  6. Step 6: Final answer
    x = 7,915,677.55

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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.