Home / 19,989,015.77-29,970,532.58-7,859,662.27

Finding the Fourth Proportional to 19,989,015.77, 29,970,532.58 and 7,859,662.27

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Solution

The fourth proportional to 19,989,015.77, 29,970,532.58 and 7,859,662.27 is: 11,784,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,015.77 : 29,970,532.58 = 7,859,662.27 : x
  2. Step 2: Convert to fraction form
    19,989,015.77/29,970,532.58 = 7,859,662.27/x
  3. Step 3: Cross multiply
    19,989,015.77x = 29,970,532.58 × 7,859,662.27
  4. Step 4: Simplify right side
    19,989,015.77x = 235,558,264,016,607.12
  5. Step 5: Solve for x
    x = 235,558,264,016,607.12/19,989,015.77
  6. Step 6: Final answer
    x = 11,784,385.32

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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.