Home / 13,942,470.84-19,242,414-7,830,899.16

Finding the Fourth Proportional to 13,942,470.84, 19,242,414 and 7,830,899.16

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Solution

The fourth proportional to 13,942,470.84, 19,242,414 and 7,830,899.16 is: 10,807,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,470.84 : 19,242,414 = 7,830,899.16 : x
  2. Step 2: Convert to fraction form
    13,942,470.84/19,242,414 = 7,830,899.16/x
  3. Step 3: Cross multiply
    13,942,470.84x = 19,242,414 × 7,830,899.16
  4. Step 4: Simplify right side
    13,942,470.84x = 150,685,403,628,972.25
  5. Step 5: Solve for x
    x = 150,685,403,628,972.25/13,942,470.84
  6. Step 6: Final answer
    x = 10,807,654.21

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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.