Home / 8,720,940.74-12,034,780.74-4,853,460.87

Finding the Fourth Proportional to 8,720,940.74, 12,034,780.74 and 4,853,460.87

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Solution

The fourth proportional to 8,720,940.74, 12,034,780.74 and 4,853,460.87 is: 6,697,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,940.74 : 12,034,780.74 = 4,853,460.87 : x
  2. Step 2: Convert to fraction form
    8,720,940.74/12,034,780.74 = 4,853,460.87/x
  3. Step 3: Cross multiply
    8,720,940.74x = 12,034,780.74 × 4,853,460.87
  4. Step 4: Simplify right side
    8,720,940.74x = 58,410,337,400,619.65
  5. Step 5: Solve for x
    x = 58,410,337,400,619.65/8,720,940.74
  6. Step 6: Final answer
    x = 6,697,710.62

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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.