Home / 9,521,892.23-13,144,232.05-6,428,603.97

Finding the Fourth Proportional to 9,521,892.23, 13,144,232.05 and 6,428,603.97

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Solution

The fourth proportional to 9,521,892.23, 13,144,232.05 and 6,428,603.97 is: 8,874,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,892.23 : 13,144,232.05 = 6,428,603.97 : x
  2. Step 2: Convert to fraction form
    9,521,892.23/13,144,232.05 = 6,428,603.97/x
  3. Step 3: Cross multiply
    9,521,892.23x = 13,144,232.05 × 6,428,603.97
  4. Step 4: Simplify right side
    9,521,892.23x = 84,499,062,323,159.72
  5. Step 5: Solve for x
    x = 84,499,062,323,159.72/9,521,892.23
  6. Step 6: Final answer
    x = 8,874,188.06

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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.