Home / 54,852,272.40-82,284,007.32-18,945,814.80

Finding the Fourth Proportional to 54,852,272.40, 82,284,007.32 and 18,945,814.80

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Solution

The fourth proportional to 54,852,272.40, 82,284,007.32 and 18,945,814.80 is: 28,420,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,852,272.40 : 82,284,007.32 = 18,945,814.80 : x
  2. Step 2: Convert to fraction form
    54,852,272.40/82,284,007.32 = 18,945,814.80/x
  3. Step 3: Cross multiply
    54,852,272.40x = 82,284,007.32 × 18,945,814.80
  4. Step 4: Simplify right side
    54,852,272.40x = 1,558,937,563,686,564.25
  5. Step 5: Solve for x
    x = 1,558,937,563,686,564.25/54,852,272.40
  6. Step 6: Final answer
    x = 28,420,655.98

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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.