Home / 7,117,858.13-9,822,629.63-3,854,671.88

Finding the Fourth Proportional to 7,117,858.13, 9,822,629.63 and 3,854,671.88

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Solution

The fourth proportional to 7,117,858.13, 9,822,629.63 and 3,854,671.88 is: 5,319,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,858.13 : 9,822,629.63 = 3,854,671.88 : x
  2. Step 2: Convert to fraction form
    7,117,858.13/9,822,629.63 = 3,854,671.88/x
  3. Step 3: Cross multiply
    7,117,858.13x = 9,822,629.63 × 3,854,671.88
  4. Step 4: Simplify right side
    7,117,858.13x = 37,863,014,182,939.34
  5. Step 5: Solve for x
    x = 37,863,014,182,939.34/7,117,858.13
  6. Step 6: Final answer
    x = 5,319,439.29

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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.