Home / 12,665,461.51-17,478,367.28-6,864,241.92

Finding the Fourth Proportional to 12,665,461.51, 17,478,367.28 and 6,864,241.92

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Solution

The fourth proportional to 12,665,461.51, 17,478,367.28 and 6,864,241.92 is: 9,472,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665,461.51 : 17,478,367.28 = 6,864,241.92 : x
  2. Step 2: Convert to fraction form
    12,665,461.51/17,478,367.28 = 6,864,241.92/x
  3. Step 3: Cross multiply
    12,665,461.51x = 17,478,367.28 × 6,864,241.92
  4. Step 4: Simplify right side
    12,665,461.51x = 119,975,741,254,819.33
  5. Step 5: Solve for x
    x = 119,975,741,254,819.33/12,665,461.51
  6. Step 6: Final answer
    x = 9,472,670.31

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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.