Home / 7,243,887.62-9,994,384.95-4,342,219.76

Finding the Fourth Proportional to 7,243,887.62, 9,994,384.95 and 4,342,219.76

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Solution

The fourth proportional to 7,243,887.62, 9,994,384.95 and 4,342,219.76 is: 5,990,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,887.62 : 9,994,384.95 = 4,342,219.76 : x
  2. Step 2: Convert to fraction form
    7,243,887.62/9,994,384.95 = 4,342,219.76/x
  3. Step 3: Cross multiply
    7,243,887.62x = 9,994,384.95 × 4,342,219.76
  4. Step 4: Simplify right side
    7,243,887.62x = 43,397,815,768,964.68
  5. Step 5: Solve for x
    x = 43,397,815,768,964.68/7,243,887.62
  6. Step 6: Final answer
    x = 5,990,956.52

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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.