Home / 20,966,274.34-31,448,228.60-9,291,283.30

Finding the Fourth Proportional to 20,966,274.34, 31,448,228.60 and 9,291,283.30

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Solution

The fourth proportional to 20,966,274.34, 31,448,228.60 and 9,291,283.30 is: 13,936,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,966,274.34 : 31,448,228.60 = 9,291,283.30 : x
  2. Step 2: Convert to fraction form
    20,966,274.34/31,448,228.60 = 9,291,283.30/x
  3. Step 3: Cross multiply
    20,966,274.34x = 31,448,228.60 × 9,291,283.30
  4. Step 4: Simplify right side
    20,966,274.34x = 292,194,401,229,100.94
  5. Step 5: Solve for x
    x = 292,194,401,229,100.94/20,966,274.34
  6. Step 6: Final answer
    x = 13,936,400.74

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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.