Home / 7,101,009.60-10,658,512.80-3,510,830.40

Finding the Fourth Proportional to 7,101,009.60, 10,658,512.80 and 3,510,830.40

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Solution

The fourth proportional to 7,101,009.60, 10,658,512.80 and 3,510,830.40 is: 5,269,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101,009.60 : 10,658,512.80 = 3,510,830.40 : x
  2. Step 2: Convert to fraction form
    7,101,009.60/10,658,512.80 = 3,510,830.40/x
  3. Step 3: Cross multiply
    7,101,009.60x = 10,658,512.80 × 3,510,830.40
  4. Step 4: Simplify right side
    7,101,009.60x = 37,420,230,757,029.12
  5. Step 5: Solve for x
    x = 37,420,230,757,029.12/7,101,009.60
  6. Step 6: Final answer
    x = 5,269,705.70

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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.