Home / 12,896,007.76-17,789,100.42-8,058,713.68

Finding the Fourth Proportional to 12,896,007.76, 17,789,100.42 and 8,058,713.68

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Solution

The fourth proportional to 12,896,007.76, 17,789,100.42 and 8,058,713.68 is: 11,116,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,007.76 : 17,789,100.42 = 8,058,713.68 : x
  2. Step 2: Convert to fraction form
    12,896,007.76/17,789,100.42 = 8,058,713.68/x
  3. Step 3: Cross multiply
    12,896,007.76x = 17,789,100.42 × 8,058,713.68
  4. Step 4: Simplify right side
    12,896,007.76x = 143,357,266,909,547.75
  5. Step 5: Solve for x
    x = 143,357,266,909,547.75/12,896,007.76
  6. Step 6: Final answer
    x = 11,116,406.69

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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.