Home / 12,392,479.93-17,100,872.61-6,885,666.49

Finding the Fourth Proportional to 12,392,479.93, 17,100,872.61 and 6,885,666.49

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Solution

The fourth proportional to 12,392,479.93, 17,100,872.61 and 6,885,666.49 is: 9,501,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,479.93 : 17,100,872.61 = 6,885,666.49 : x
  2. Step 2: Convert to fraction form
    12,392,479.93/17,100,872.61 = 6,885,666.49/x
  3. Step 3: Cross multiply
    12,392,479.93x = 17,100,872.61 × 6,885,666.49
  4. Step 4: Simplify right side
    12,392,479.93x = 117,750,905,394,931.48
  5. Step 5: Solve for x
    x = 117,750,905,394,931.48/12,392,479.93
  6. Step 6: Final answer
    x = 9,501,803.20

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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.