Home / 18,538,734.40-27,808,101.60-17,782,907.20

Finding the Fourth Proportional to 18,538,734.40, 27,808,101.60 and 17,782,907.20

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Solution

The fourth proportional to 18,538,734.40, 27,808,101.60 and 17,782,907.20 is: 26,674,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,734.40 : 27,808,101.60 = 17,782,907.20 : x
  2. Step 2: Convert to fraction form
    18,538,734.40/27,808,101.60 = 17,782,907.20/x
  3. Step 3: Cross multiply
    18,538,734.40x = 27,808,101.60 × 17,782,907.20
  4. Step 4: Simplify right side
    18,538,734.40x = 494,508,890,160,971.50
  5. Step 5: Solve for x
    x = 494,508,890,160,971.50/18,538,734.40
  6. Step 6: Final answer
    x = 26,674,360.80

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1.5x scale

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.