Home / 13,426,513.20-20,092,530.60-12,292,772.40

Finding the Fourth Proportional to 13,426,513.20, 20,092,530.60 and 12,292,772.40

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Solution

The fourth proportional to 13,426,513.20, 20,092,530.60 and 12,292,772.40 is: 18,395,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,513.20 : 20,092,530.60 = 12,292,772.40 : x
  2. Step 2: Convert to fraction form
    13,426,513.20/20,092,530.60 = 12,292,772.40/x
  3. Step 3: Cross multiply
    13,426,513.20x = 20,092,530.60 × 12,292,772.40
  4. Step 4: Simplify right side
    13,426,513.20x = 246,992,905,605,835.47
  5. Step 5: Solve for x
    x = 246,992,905,605,835.47/13,426,513.20
  6. Step 6: Final answer
    x = 18,395,908.30

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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.