Home / 19,989,016.77-29,970,534.07-7,859,663.27

Finding the Fourth Proportional to 19,989,016.77, 29,970,534.07 and 7,859,663.27

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Solution

The fourth proportional to 19,989,016.77, 29,970,534.07 and 7,859,663.27 is: 11,784,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,016.77 : 29,970,534.07 = 7,859,663.27 : x
  2. Step 2: Convert to fraction form
    19,989,016.77/29,970,534.07 = 7,859,663.27/x
  3. Step 3: Cross multiply
    19,989,016.77x = 29,970,534.07 × 7,859,663.27
  4. Step 4: Simplify right side
    19,989,016.77x = 235,558,305,812,262.59
  5. Step 5: Solve for x
    x = 235,558,305,812,262.59/19,989,016.77
  6. Step 6: Final answer
    x = 11,784,386.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.