Home / 13,370,083.71-20,062,577.09-7,221,941.47

Finding the Fourth Proportional to 13,370,083.71, 20,062,577.09 and 7,221,941.47

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Solution

The fourth proportional to 13,370,083.71, 20,062,577.09 and 7,221,941.47 is: 10,836,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370,083.71 : 20,062,577.09 = 7,221,941.47 : x
  2. Step 2: Convert to fraction form
    13,370,083.71/20,062,577.09 = 7,221,941.47/x
  3. Step 3: Cross multiply
    13,370,083.71x = 20,062,577.09 × 7,221,941.47
  4. Step 4: Simplify right side
    13,370,083.71x = 144,890,757,483,852.59
  5. Step 5: Solve for x
    x = 144,890,757,483,852.59/13,370,083.71
  6. Step 6: Final answer
    x = 10,836,937.20

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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.