Home / 10,819,259.60-16,228,889.40-4,427,387.60

Finding the Fourth Proportional to 10,819,259.60, 16,228,889.40 and 4,427,387.60

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Solution

The fourth proportional to 10,819,259.60, 16,228,889.40 and 4,427,387.60 is: 6,641,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819,259.60 : 16,228,889.40 = 4,427,387.60 : x
  2. Step 2: Convert to fraction form
    10,819,259.60/16,228,889.40 = 4,427,387.60/x
  3. Step 3: Cross multiply
    10,819,259.60x = 16,228,889.40 × 4,427,387.60
  4. Step 4: Simplify right side
    10,819,259.60x = 71,851,583,691,331.44
  5. Step 5: Solve for x
    x = 71,851,583,691,331.44/10,819,259.60
  6. Step 6: Final answer
    x = 6,641,081.40

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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.