Home / 10,252,661.60-15,380,374.80-3,523,138.40

Finding the Fourth Proportional to 10,252,661.60, 15,380,374.80 and 3,523,138.40

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Solution

The fourth proportional to 10,252,661.60, 15,380,374.80 and 3,523,138.40 is: 5,285,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252,661.60 : 15,380,374.80 = 3,523,138.40 : x
  2. Step 2: Convert to fraction form
    10,252,661.60/15,380,374.80 = 3,523,138.40/x
  3. Step 3: Cross multiply
    10,252,661.60x = 15,380,374.80 × 3,523,138.40
  4. Step 4: Simplify right side
    10,252,661.60x = 54,187,189,064,272.32
  5. Step 5: Solve for x
    x = 54,187,189,064,272.32/10,252,661.60
  6. Step 6: Final answer
    x = 5,285,182.64

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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.