Home / 21,726,134.56-29,982,566.16-11,937,189.92

Finding the Fourth Proportional to 21,726,134.56, 29,982,566.16 and 11,937,189.92

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Solution

The fourth proportional to 21,726,134.56, 29,982,566.16 and 11,937,189.92 is: 16,473,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,134.56 : 29,982,566.16 = 11,937,189.92 : x
  2. Step 2: Convert to fraction form
    21,726,134.56/29,982,566.16 = 11,937,189.92/x
  3. Step 3: Cross multiply
    21,726,134.56x = 29,982,566.16 × 11,937,189.92
  4. Step 4: Simplify right side
    21,726,134.56x = 357,907,586,540,885.12
  5. Step 5: Solve for x
    x = 357,907,586,540,885.12/21,726,134.56
  6. Step 6: Final answer
    x = 16,473,597.07

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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.