Home / 8,319,998.20-12,455,114.10-4,952,471.80

Finding the Fourth Proportional to 8,319,998.20, 12,455,114.10 and 4,952,471.80

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Solution

The fourth proportional to 8,319,998.20, 12,455,114.10 and 4,952,471.80 is: 7,413,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,998.20 : 12,455,114.10 = 4,952,471.80 : x
  2. Step 2: Convert to fraction form
    8,319,998.20/12,455,114.10 = 4,952,471.80/x
  3. Step 3: Cross multiply
    8,319,998.20x = 12,455,114.10 × 4,952,471.80
  4. Step 4: Simplify right side
    8,319,998.20x = 61,683,601,346,032.38
  5. Step 5: Solve for x
    x = 61,683,601,346,032.38/8,319,998.20
  6. Step 6: Final answer
    x = 7,413,896.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.