Home / 10,417,028.72-15,612,945.96-5,365,583.60

Finding the Fourth Proportional to 10,417,028.72, 15,612,945.96 and 5,365,583.60

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Solution

The fourth proportional to 10,417,028.72, 15,612,945.96 and 5,365,583.60 is: 8,041,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417,028.72 : 15,612,945.96 = 5,365,583.60 : x
  2. Step 2: Convert to fraction form
    10,417,028.72/15,612,945.96 = 5,365,583.60/x
  3. Step 3: Cross multiply
    10,417,028.72x = 15,612,945.96 × 5,365,583.60
  4. Step 4: Simplify right side
    10,417,028.72x = 83,772,566,790,662.25
  5. Step 5: Solve for x
    x = 83,772,566,790,662.25/10,417,028.72
  6. Step 6: Final answer
    x = 8,041,886.90

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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.