Home / 7,078,627.96-9,768,225.24-4,178,952.90

Finding the Fourth Proportional to 7,078,627.96, 9,768,225.24 and 4,178,952.90

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Solution

The fourth proportional to 7,078,627.96, 9,768,225.24 and 4,178,952.90 is: 5,766,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,627.96 : 9,768,225.24 = 4,178,952.90 : x
  2. Step 2: Convert to fraction form
    7,078,627.96/9,768,225.24 = 4,178,952.90/x
  3. Step 3: Cross multiply
    7,078,627.96x = 9,768,225.24 × 4,178,952.90
  4. Step 4: Simplify right side
    7,078,627.96x = 40,820,953,194,551.20
  5. Step 5: Solve for x
    x = 40,820,953,194,551.20/7,078,627.96
  6. Step 6: Final answer
    x = 5,766,788.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.