Home / 7,516,028.90-11,282,015.78-6,657,040.12

Finding the Fourth Proportional to 7,516,028.90, 11,282,015.78 and 6,657,040.12

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Solution

The fourth proportional to 7,516,028.90, 11,282,015.78 and 6,657,040.12 is: 9,992,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516,028.90 : 11,282,015.78 = 6,657,040.12 : x
  2. Step 2: Convert to fraction form
    7,516,028.90/11,282,015.78 = 6,657,040.12/x
  3. Step 3: Cross multiply
    7,516,028.90x = 11,282,015.78 × 6,657,040.12
  4. Step 4: Simplify right side
    7,516,028.90x = 75,104,831,681,933.09
  5. Step 5: Solve for x
    x = 75,104,831,681,933.09/7,516,028.90
  6. Step 6: Final answer
    x = 9,992,621.46

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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.