Home / 13,353,339.20-20,030,008.80-9,314,387.60

Finding the Fourth Proportional to 13,353,339.20, 20,030,008.80 and 9,314,387.60

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Solution

The fourth proportional to 13,353,339.20, 20,030,008.80 and 9,314,387.60 is: 13,971,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,339.20 : 20,030,008.80 = 9,314,387.60 : x
  2. Step 2: Convert to fraction form
    13,353,339.20/20,030,008.80 = 9,314,387.60/x
  3. Step 3: Cross multiply
    13,353,339.20x = 20,030,008.80 × 9,314,387.60
  4. Step 4: Simplify right side
    13,353,339.20x = 186,567,265,594,610.88
  5. Step 5: Solve for x
    x = 186,567,265,594,610.88/13,353,339.20
  6. Step 6: Final answer
    x = 13,971,581.40

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Similar ratio
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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.