Home / 13,884,902.40-20,827,353.60-7,166,438.40

Finding the Fourth Proportional to 13,884,902.40, 20,827,353.60 and 7,166,438.40

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Solution

The fourth proportional to 13,884,902.40, 20,827,353.60 and 7,166,438.40 is: 10,749,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884,902.40 : 20,827,353.60 = 7,166,438.40 : x
  2. Step 2: Convert to fraction form
    13,884,902.40/20,827,353.60 = 7,166,438.40/x
  3. Step 3: Cross multiply
    13,884,902.40x = 20,827,353.60 × 7,166,438.40
  4. Step 4: Simplify right side
    13,884,902.40x = 149,257,946,609,418.25
  5. Step 5: Solve for x
    x = 149,257,946,609,418.25/13,884,902.40
  6. Step 6: Final answer
    x = 10,749,657.60

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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.