Home / 20,157,600.60-30,236,400.90-11,973,409.20

Finding the Fourth Proportional to 20,157,600.60, 30,236,400.90 and 11,973,409.20

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Solution

The fourth proportional to 20,157,600.60, 30,236,400.90 and 11,973,409.20 is: 17,960,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,600.60 : 30,236,400.90 = 11,973,409.20 : x
  2. Step 2: Convert to fraction form
    20,157,600.60/30,236,400.90 = 11,973,409.20/x
  3. Step 3: Cross multiply
    20,157,600.60x = 30,236,400.90 × 11,973,409.20
  4. Step 4: Simplify right side
    20,157,600.60x = 362,032,800,710,948.25
  5. Step 5: Solve for x
    x = 362,032,800,710,948.25/20,157,600.60
  6. Step 6: Final answer
    x = 17,960,113.80

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1.5x scale

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.