Home / 7,133,311.20-9,843,968.56-4,077,590.88

Finding the Fourth Proportional to 7,133,311.20, 9,843,968.56 and 4,077,590.88

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Solution

The fourth proportional to 7,133,311.20, 9,843,968.56 and 4,077,590.88 is: 5,627,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133,311.20 : 9,843,968.56 = 4,077,590.88 : x
  2. Step 2: Convert to fraction form
    7,133,311.20/9,843,968.56 = 4,077,590.88/x
  3. Step 3: Cross multiply
    7,133,311.20x = 9,843,968.56 × 4,077,590.88
  4. Step 4: Simplify right side
    7,133,311.20x = 40,139,676,423,262.73
  5. Step 5: Solve for x
    x = 40,139,676,423,262.73/7,133,311.20
  6. Step 6: Final answer
    x = 5,627,074.90

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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.