Home / 9,115,875.92-12,579,399.96-4,985,091.92

Finding the Fourth Proportional to 9,115,875.92, 12,579,399.96 and 4,985,091.92

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Solution

The fourth proportional to 9,115,875.92, 12,579,399.96 and 4,985,091.92 is: 6,879,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,875.92 : 12,579,399.96 = 4,985,091.92 : x
  2. Step 2: Convert to fraction form
    9,115,875.92/12,579,399.96 = 4,985,091.92/x
  3. Step 3: Cross multiply
    9,115,875.92x = 12,579,399.96 × 4,985,091.92
  4. Step 4: Simplify right side
    9,115,875.92x = 62,709,465,099,044.33
  5. Step 5: Solve for x
    x = 62,709,465,099,044.33/9,115,875.92
  6. Step 6: Final answer
    x = 6,879,148.60

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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.