Home / 20,736,043.40-31,104,065.10-7,274,232.20

Finding the Fourth Proportional to 20,736,043.40, 31,104,065.10 and 7,274,232.20

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Solution

The fourth proportional to 20,736,043.40, 31,104,065.10 and 7,274,232.20 is: 10,911,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,043.40 : 31,104,065.10 = 7,274,232.20 : x
  2. Step 2: Convert to fraction form
    20,736,043.40/31,104,065.10 = 7,274,232.20/x
  3. Step 3: Cross multiply
    20,736,043.40x = 31,104,065.10 × 7,274,232.20
  4. Step 4: Simplify right side
    20,736,043.40x = 226,258,191,901,316.25
  5. Step 5: Solve for x
    x = 226,258,191,901,316.25/20,736,043.40
  6. Step 6: Final answer
    x = 10,911,348.30

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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.