Home / 28,936,362.46-39,932,223.93-15,705,544.13

Finding the Fourth Proportional to 28,936,362.46, 39,932,223.93 and 15,705,544.13

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Solution

The fourth proportional to 28,936,362.46, 39,932,223.93 and 15,705,544.13 is: 21,673,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936,362.46 : 39,932,223.93 = 15,705,544.13 : x
  2. Step 2: Convert to fraction form
    28,936,362.46/39,932,223.93 = 15,705,544.13/x
  3. Step 3: Cross multiply
    28,936,362.46x = 39,932,223.93 × 15,705,544.13
  4. Step 4: Simplify right side
    28,936,362.46x = 627,157,304,941,995.88
  5. Step 5: Solve for x
    x = 627,157,304,941,995.88/28,936,362.46
  6. Step 6: Final answer
    x = 21,673,674.63

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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.