Home / 9,521,896.16-13,144,237.48-6,428,607.91

Finding the Fourth Proportional to 9,521,896.16, 13,144,237.48 and 6,428,607.91

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Solution

The fourth proportional to 9,521,896.16, 13,144,237.48 and 6,428,607.91 is: 8,874,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,896.16 : 13,144,237.48 = 6,428,607.91 : x
  2. Step 2: Convert to fraction form
    9,521,896.16/13,144,237.48 = 6,428,607.91/x
  3. Step 3: Cross multiply
    9,521,896.16x = 13,144,237.48 × 6,428,607.91
  4. Step 4: Simplify right side
    9,521,896.16x = 84,499,149,010,021.62
  5. Step 5: Solve for x
    x = 84,499,149,010,021.62/9,521,896.16
  6. Step 6: Final answer
    x = 8,874,193.50

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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.