Home / 9,521,896.04-13,144,237.31-6,428,607.78

Finding the Fourth Proportional to 9,521,896.04, 13,144,237.31 and 6,428,607.78

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Solution

The fourth proportional to 9,521,896.04, 13,144,237.31 and 6,428,607.78 is: 8,874,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,896.04 : 13,144,237.31 = 6,428,607.78 : x
  2. Step 2: Convert to fraction form
    9,521,896.04/13,144,237.31 = 6,428,607.78/x
  3. Step 3: Cross multiply
    9,521,896.04x = 13,144,237.31 × 6,428,607.78
  4. Step 4: Simplify right side
    9,521,896.04x = 84,499,146,233,232.28
  5. Step 5: Solve for x
    x = 84,499,146,233,232.28/9,521,896.04
  6. Step 6: Final answer
    x = 8,874,193.32

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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.