Home / 12,172,688.28-16,798,104.54-6,740,063.64

Finding the Fourth Proportional to 12,172,688.28, 16,798,104.54 and 6,740,063.64

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Solution

The fourth proportional to 12,172,688.28, 16,798,104.54 and 6,740,063.64 is: 9,301,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,172,688.28 : 16,798,104.54 = 6,740,063.64 : x
  2. Step 2: Convert to fraction form
    12,172,688.28/16,798,104.54 = 6,740,063.64/x
  3. Step 3: Cross multiply
    12,172,688.28x = 16,798,104.54 × 6,740,063.64
  4. Step 4: Simplify right side
    12,172,688.28x = 113,220,293,630,972.91
  5. Step 5: Solve for x
    x = 113,220,293,630,972.91/12,172,688.28
  6. Step 6: Final answer
    x = 9,301,174.16

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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.