Home / 5,438,558.10-8,148,979.80-4,003,667.40

Finding the Fourth Proportional to 5,438,558.10, 8,148,979.80 and 4,003,667.40

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Solution

The fourth proportional to 5,438,558.10, 8,148,979.80 and 4,003,667.40 is: 5,998,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,558.10 : 8,148,979.80 = 4,003,667.40 : x
  2. Step 2: Convert to fraction form
    5,438,558.10/8,148,979.80 = 4,003,667.40/x
  3. Step 3: Cross multiply
    5,438,558.10x = 8,148,979.80 × 4,003,667.40
  4. Step 4: Simplify right side
    5,438,558.10x = 32,625,804,768,518.52
  5. Step 5: Solve for x
    x = 32,625,804,768,518.52/5,438,558.10
  6. Step 6: Final answer
    x = 5,998,980.64

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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.