Home / 7,146,372.83-9,862,056.98-3,883,187.55

Finding the Fourth Proportional to 7,146,372.83, 9,862,056.98 and 3,883,187.55

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Solution

The fourth proportional to 7,146,372.83, 9,862,056.98 and 3,883,187.55 is: 5,358,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,372.83 : 9,862,056.98 = 3,883,187.55 : x
  2. Step 2: Convert to fraction form
    7,146,372.83/9,862,056.98 = 3,883,187.55/x
  3. Step 3: Cross multiply
    7,146,372.83x = 9,862,056.98 × 3,883,187.55
  4. Step 4: Simplify right side
    7,146,372.83x = 38,296,216,862,710.66
  5. Step 5: Solve for x
    x = 38,296,216,862,710.66/7,146,372.83
  6. Step 6: Final answer
    x = 5,358,832.77

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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.