Home / 7,078,572.42-10,611,131.47-4,512,585.77

Finding the Fourth Proportional to 7,078,572.42, 10,611,131.47 and 4,512,585.77

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Solution

The fourth proportional to 7,078,572.42, 10,611,131.47 and 4,512,585.77 is: 6,764,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,572.42 : 10,611,131.47 = 4,512,585.77 : x
  2. Step 2: Convert to fraction form
    7,078,572.42/10,611,131.47 = 4,512,585.77/x
  3. Step 3: Cross multiply
    7,078,572.42x = 10,611,131.47 × 4,512,585.77
  4. Step 4: Simplify right side
    7,078,572.42x = 47,883,640,875,121.18
  5. Step 5: Solve for x
    x = 47,883,640,875,121.18/7,078,572.42
  6. Step 6: Final answer
    x = 6,764,590.09

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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.