Home / 14,268,729.30-21,387,347.55-7,883,564.10

Finding the Fourth Proportional to 14,268,729.30, 21,387,347.55 and 7,883,564.10

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Solution

The fourth proportional to 14,268,729.30, 21,387,347.55 and 7,883,564.10 is: 11,816,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268,729.30 : 21,387,347.55 = 7,883,564.10 : x
  2. Step 2: Convert to fraction form
    14,268,729.30/21,387,347.55 = 7,883,564.10/x
  3. Step 3: Cross multiply
    14,268,729.30x = 21,387,347.55 × 7,883,564.10
  4. Step 4: Simplify right side
    14,268,729.30x = 168,608,525,339,402.94
  5. Step 5: Solve for x
    x = 168,608,525,339,402.94/14,268,729.30
  6. Step 6: Final answer
    x = 11,816,646.16

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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.