Home / 7,340,671.80-10,129,784.22-4,077,696.60

Finding the Fourth Proportional to 7,340,671.80, 10,129,784.22 and 4,077,696.60

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Solution

The fourth proportional to 7,340,671.80, 10,129,784.22 and 4,077,696.60 is: 5,627,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,671.80 : 10,129,784.22 = 4,077,696.60 : x
  2. Step 2: Convert to fraction form
    7,340,671.80/10,129,784.22 = 4,077,696.60/x
  3. Step 3: Cross multiply
    7,340,671.80x = 10,129,784.22 × 4,077,696.60
  4. Step 4: Simplify right side
    7,340,671.80x = 41,306,186,672,627.66
  5. Step 5: Solve for x
    x = 41,306,186,672,627.66/7,340,671.80
  6. Step 6: Final answer
    x = 5,627,030.85

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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.