Home / 7,510,738.74-10,364,822.01-4,072,978.86

Finding the Fourth Proportional to 7,510,738.74, 10,364,822.01 and 4,072,978.86

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Solution

The fourth proportional to 7,510,738.74, 10,364,822.01 and 4,072,978.86 is: 5,620,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510,738.74 : 10,364,822.01 = 4,072,978.86 : x
  2. Step 2: Convert to fraction form
    7,510,738.74/10,364,822.01 = 4,072,978.86/x
  3. Step 3: Cross multiply
    7,510,738.74x = 10,364,822.01 × 4,072,978.86
  4. Step 4: Simplify right side
    7,510,738.74x = 42,215,700,934,392.70
  5. Step 5: Solve for x
    x = 42,215,700,934,392.70/7,510,738.74
  6. Step 6: Final answer
    x = 5,620,712.21

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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.