Home / 10,469,881.60-15,693,158.40-4,078,009.60

Finding the Fourth Proportional to 10,469,881.60, 15,693,158.40 and 4,078,009.60

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Solution

The fourth proportional to 10,469,881.60, 15,693,158.40 and 4,078,009.60 is: 6,112,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,469,881.60 : 15,693,158.40 = 4,078,009.60 : x
  2. Step 2: Convert to fraction form
    10,469,881.60/15,693,158.40 = 4,078,009.60/x
  3. Step 3: Cross multiply
    10,469,881.60x = 15,693,158.40 × 4,078,009.60
  4. Step 4: Simplify right side
    10,469,881.60x = 63,996,850,609,520.64
  5. Step 5: Solve for x
    x = 63,996,850,609,520.64/10,469,881.60
  6. Step 6: Final answer
    x = 6,112,471.28

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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.