Home / 20,402,101.60-30,603,152.40-13,945,093.45

Finding the Fourth Proportional to 20,402,101.60, 30,603,152.40 and 13,945,093.45

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Solution

The fourth proportional to 20,402,101.60, 30,603,152.40 and 13,945,093.45 is: 20,917,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,101.60 : 30,603,152.40 = 13,945,093.45 : x
  2. Step 2: Convert to fraction form
    20,402,101.60/30,603,152.40 = 13,945,093.45/x
  3. Step 3: Cross multiply
    20,402,101.60x = 30,603,152.40 × 13,945,093.45
  4. Step 4: Simplify right side
    20,402,101.60x = 426,763,820,082,591.75
  5. Step 5: Solve for x
    x = 426,763,820,082,591.75/20,402,101.60
  6. Step 6: Final answer
    x = 20,917,640.18

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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.