Home / 47,715,894.02-71,681,584.24-28,297,856.40

Finding the Fourth Proportional to 47,715,894.02, 71,681,584.24 and 28,297,856.40

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Solution

The fourth proportional to 47,715,894.02, 71,681,584.24 and 28,297,856.40 is: 42,510,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715,894.02 : 71,681,584.24 = 28,297,856.40 : x
  2. Step 2: Convert to fraction form
    47,715,894.02/71,681,584.24 = 28,297,856.40/x
  3. Step 3: Cross multiply
    47,715,894.02x = 71,681,584.24 × 28,297,856.40
  4. Step 4: Simplify right side
    47,715,894.02x = 2,028,435,177,206,533.75
  5. Step 5: Solve for x
    x = 2,028,435,177,206,533.75/47,715,894.02
  6. Step 6: Final answer
    x = 42,510,681.58

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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.