Home / 12,516,873.02-18,760,175.91-6,448,294.27

Finding the Fourth Proportional to 12,516,873.02, 18,760,175.91 and 6,448,294.27

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Solution

The fourth proportional to 12,516,873.02, 18,760,175.91 and 6,448,294.27 is: 9,664,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,873.02 : 18,760,175.91 = 6,448,294.27 : x
  2. Step 2: Convert to fraction form
    12,516,873.02/18,760,175.91 = 6,448,294.27/x
  3. Step 3: Cross multiply
    12,516,873.02x = 18,760,175.91 × 6,448,294.27
  4. Step 4: Simplify right side
    12,516,873.02x = 120,971,134,848,095.27
  5. Step 5: Solve for x
    x = 120,971,134,848,095.27/12,516,873.02
  6. Step 6: Final answer
    x = 9,664,645.05

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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.