Home / 13,592,969.52-20,389,454.64-12,761,559.60

Finding the Fourth Proportional to 13,592,969.52, 20,389,454.64 and 12,761,559.60

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Solution

The fourth proportional to 13,592,969.52, 20,389,454.64 and 12,761,559.60 is: 19,142,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592,969.52 : 20,389,454.64 = 12,761,559.60 : x
  2. Step 2: Convert to fraction form
    13,592,969.52/20,389,454.64 = 12,761,559.60/x
  3. Step 3: Cross multiply
    13,592,969.52x = 20,389,454.64 × 12,761,559.60
  4. Step 4: Simplify right side
    13,592,969.52x = 260,201,240,599,856.53
  5. Step 5: Solve for x
    x = 260,201,240,599,856.53/13,592,969.52
  6. Step 6: Final answer
    x = 19,142,339.74

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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.