Home / 13,442,409.60-20,126,289.60-13,069,161.60

Finding the Fourth Proportional to 13,442,409.60, 20,126,289.60 and 13,069,161.60

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Solution

The fourth proportional to 13,442,409.60, 20,126,289.60 and 13,069,161.60 is: 19,567,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,409.60 : 20,126,289.60 = 13,069,161.60 : x
  2. Step 2: Convert to fraction form
    13,442,409.60/20,126,289.60 = 13,069,161.60/x
  3. Step 3: Cross multiply
    13,442,409.60x = 20,126,289.60 × 13,069,161.60
  4. Step 4: Simplify right side
    13,442,409.60x = 263,033,731,190,799.38
  5. Step 5: Solve for x
    x = 263,033,731,190,799.38/13,442,409.60
  6. Step 6: Final answer
    x = 19,567,453.98

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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.