Home / 15,007,160.96-20,710,933.16-8,481,393.52

Finding the Fourth Proportional to 15,007,160.96, 20,710,933.16 and 8,481,393.52

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Solution

The fourth proportional to 15,007,160.96, 20,710,933.16 and 8,481,393.52 is: 11,704,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007,160.96 : 20,710,933.16 = 8,481,393.52 : x
  2. Step 2: Convert to fraction form
    15,007,160.96/20,710,933.16 = 8,481,393.52/x
  3. Step 3: Cross multiply
    15,007,160.96x = 20,710,933.16 × 8,481,393.52
  4. Step 4: Simplify right side
    15,007,160.96x = 175,657,574,296,377.12
  5. Step 5: Solve for x
    x = 175,657,574,296,377.12/15,007,160.96
  6. Step 6: Final answer
    x = 11,704,917.06

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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.