Home / 13,403,526.60-20,105,289.90-9,834,342.60

Finding the Fourth Proportional to 13,403,526.60, 20,105,289.90 and 9,834,342.60

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Solution

The fourth proportional to 13,403,526.60, 20,105,289.90 and 9,834,342.60 is: 14,751,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403,526.60 : 20,105,289.90 = 9,834,342.60 : x
  2. Step 2: Convert to fraction form
    13,403,526.60/20,105,289.90 = 9,834,342.60/x
  3. Step 3: Cross multiply
    13,403,526.60x = 20,105,289.90 × 9,834,342.60
  4. Step 4: Simplify right side
    13,403,526.60x = 197,722,308,948,919.72
  5. Step 5: Solve for x
    x = 197,722,308,948,919.72/13,403,526.60
  6. Step 6: Final answer
    x = 14,751,513.90

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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.