Home / 5,438,557.10-8,148,978.30-4,003,666.40

Finding the Fourth Proportional to 5,438,557.10, 8,148,978.30 and 4,003,666.40

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Solution

The fourth proportional to 5,438,557.10, 8,148,978.30 and 4,003,666.40 is: 5,998,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,557.10 : 8,148,978.30 = 4,003,666.40 : x
  2. Step 2: Convert to fraction form
    5,438,557.10/8,148,978.30 = 4,003,666.40/x
  3. Step 3: Cross multiply
    5,438,557.10x = 8,148,978.30 × 4,003,666.40
  4. Step 4: Simplify right side
    5,438,557.10x = 32,625,790,614,039.12
  5. Step 5: Solve for x
    x = 32,625,790,614,039.12/5,438,557.10
  6. Step 6: Final answer
    x = 5,998,979.14

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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.