Home / 47,667,774.47-71,411,415.12-28,178,652.02

Finding the Fourth Proportional to 47,667,774.47, 71,411,415.12 and 28,178,652.02

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Solution

The fourth proportional to 47,667,774.47, 71,411,415.12 and 28,178,652.02 is: 42,214,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,667,774.47 : 71,411,415.12 = 28,178,652.02 : x
  2. Step 2: Convert to fraction form
    47,667,774.47/71,411,415.12 = 28,178,652.02/x
  3. Step 3: Cross multiply
    47,667,774.47x = 71,411,415.12 × 28,178,652.02
  4. Step 4: Simplify right side
    47,667,774.47x = 2,012,277,416,565,189.75
  5. Step 5: Solve for x
    x = 2,012,277,416,565,189.75/47,667,774.47
  6. Step 6: Final answer
    x = 42,214,629.05

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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.