Home / 8,862,386.94-12,230,147.30-4,942,390.54

Finding the Fourth Proportional to 8,862,386.94, 12,230,147.30 and 4,942,390.54

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Solution

The fourth proportional to 8,862,386.94, 12,230,147.30 and 4,942,390.54 is: 6,820,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862,386.94 : 12,230,147.30 = 4,942,390.54 : x
  2. Step 2: Convert to fraction form
    8,862,386.94/12,230,147.30 = 4,942,390.54/x
  3. Step 3: Cross multiply
    8,862,386.94x = 12,230,147.30 × 4,942,390.54
  4. Step 4: Simplify right side
    8,862,386.94x = 60,446,164,318,326.55
  5. Step 5: Solve for x
    x = 60,446,164,318,326.55/8,862,386.94
  6. Step 6: Final answer
    x = 6,820,528.68

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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.