Home / 28,728,359.07-43,092,254.63-13,161,772.15

Finding the Fourth Proportional to 28,728,359.07, 43,092,254.63 and 13,161,772.15

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Solution

The fourth proportional to 28,728,359.07, 43,092,254.63 and 13,161,772.15 is: 19,742,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,359.07 : 43,092,254.63 = 13,161,772.15 : x
  2. Step 2: Convert to fraction form
    28,728,359.07/43,092,254.63 = 13,161,772.15/x
  3. Step 3: Cross multiply
    28,728,359.07x = 43,092,254.63 × 13,161,772.15
  4. Step 4: Simplify right side
    28,728,359.07x = 567,170,436,958,304
  5. Step 5: Solve for x
    x = 567,170,436,958,304/28,728,359.07
  6. Step 6: Final answer
    x = 19,742,528.12

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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.