Home / 10,306,164.60-15,465,151.80-3,920,999.40

Finding the Fourth Proportional to 10,306,164.60, 15,465,151.80 and 3,920,999.40

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Solution

The fourth proportional to 10,306,164.60, 15,465,151.80 and 3,920,999.40 is: 5,883,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,164.60 : 15,465,151.80 = 3,920,999.40 : x
  2. Step 2: Convert to fraction form
    10,306,164.60/15,465,151.80 = 3,920,999.40/x
  3. Step 3: Cross multiply
    10,306,164.60x = 15,465,151.80 × 3,920,999.40
  4. Step 4: Simplify right side
    10,306,164.60x = 60,638,850,928,708.92
  5. Step 5: Solve for x
    x = 60,638,850,928,708.92/10,306,164.60
  6. Step 6: Final answer
    x = 5,883,745.63

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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.