Home / 25,560,272.40-38,340,408.60-18,841,808.40

Finding the Fourth Proportional to 25,560,272.40, 38,340,408.60 and 18,841,808.40

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Solution

The fourth proportional to 25,560,272.40, 38,340,408.60 and 18,841,808.40 is: 28,262,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560,272.40 : 38,340,408.60 = 18,841,808.40 : x
  2. Step 2: Convert to fraction form
    25,560,272.40/38,340,408.60 = 18,841,808.40/x
  3. Step 3: Cross multiply
    25,560,272.40x = 38,340,408.60 × 18,841,808.40
  4. Step 4: Simplify right side
    25,560,272.40x = 722,402,632,818,912.25
  5. Step 5: Solve for x
    x = 722,402,632,818,912.25/25,560,272.40
  6. Step 6: Final answer
    x = 28,262,712.60

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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.