Home / 13,978,562.83-19,290,232.77-7,698,969.57

Finding the Fourth Proportional to 13,978,562.83, 19,290,232.77 and 7,698,969.57

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Solution

The fourth proportional to 13,978,562.83, 19,290,232.77 and 7,698,969.57 is: 10,624,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,978,562.83 : 19,290,232.77 = 7,698,969.57 : x
  2. Step 2: Convert to fraction form
    13,978,562.83/19,290,232.77 = 7,698,969.57/x
  3. Step 3: Cross multiply
    13,978,562.83x = 19,290,232.77 × 7,698,969.57
  4. Step 4: Simplify right side
    13,978,562.83x = 148,514,915,046,221.22
  5. Step 5: Solve for x
    x = 148,514,915,046,221.22/13,978,562.83
  6. Step 6: Final answer
    x = 10,624,476.70

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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.