Home / 15,230,833.80-21,018,428.14-8,261,494.03

Finding the Fourth Proportional to 15,230,833.80, 21,018,428.14 and 8,261,494.03

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Solution

The fourth proportional to 15,230,833.80, 21,018,428.14 and 8,261,494.03 is: 11,400,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230,833.80 : 21,018,428.14 = 8,261,494.03 : x
  2. Step 2: Convert to fraction form
    15,230,833.80/21,018,428.14 = 8,261,494.03/x
  3. Step 3: Cross multiply
    15,230,833.80x = 21,018,428.14 × 8,261,494.03
  4. Step 4: Simplify right side
    15,230,833.80x = 173,643,618,598,594
  5. Step 5: Solve for x
    x = 173,643,618,598,594/15,230,833.80
  6. Step 6: Final answer
    x = 11,400,795.31

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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.