Home / 7,538,113.40-11,310,906.52-2,989,064.70

Finding the Fourth Proportional to 7,538,113.40, 11,310,906.52 and 2,989,064.70

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Solution

The fourth proportional to 7,538,113.40, 11,310,906.52 and 2,989,064.70 is: 4,485,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538,113.40 : 11,310,906.52 = 2,989,064.70 : x
  2. Step 2: Convert to fraction form
    7,538,113.40/11,310,906.52 = 2,989,064.70/x
  3. Step 3: Cross multiply
    7,538,113.40x = 11,310,906.52 × 2,989,064.70
  4. Step 4: Simplify right side
    7,538,113.40x = 33,809,031,403,931.84
  5. Step 5: Solve for x
    x = 33,809,031,403,931.84/7,538,113.40
  6. Step 6: Final answer
    x = 4,485,078.64

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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.