Home / 11,892,939.81-17,838,359.95-4,319,971.17

Finding the Fourth Proportional to 11,892,939.81, 17,838,359.95 and 4,319,971.17

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Solution

The fourth proportional to 11,892,939.81, 17,838,359.95 and 4,319,971.17 is: 6,479,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892,939.81 : 17,838,359.95 = 4,319,971.17 : x
  2. Step 2: Convert to fraction form
    11,892,939.81/17,838,359.95 = 4,319,971.17/x
  3. Step 3: Cross multiply
    11,892,939.81x = 17,838,359.95 × 4,319,971.17
  4. Step 4: Simplify right side
    11,892,939.81x = 77,061,200,704,082.64
  5. Step 5: Solve for x
    x = 77,061,200,704,082.64/11,892,939.81
  6. Step 6: Final answer
    x = 6,479,575.44

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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.