Home / 12,029,223.60-18,043,835.40-3,510,421.20

Finding the Fourth Proportional to 12,029,223.60, 18,043,835.40 and 3,510,421.20

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Solution

The fourth proportional to 12,029,223.60, 18,043,835.40 and 3,510,421.20 is: 5,265,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,223.60 : 18,043,835.40 = 3,510,421.20 : x
  2. Step 2: Convert to fraction form
    12,029,223.60/18,043,835.40 = 3,510,421.20/x
  3. Step 3: Cross multiply
    12,029,223.60x = 18,043,835.40 × 3,510,421.20
  4. Step 4: Simplify right side
    12,029,223.60x = 63,341,462,317,470.48
  5. Step 5: Solve for x
    x = 63,341,462,317,470.48/12,029,223.60
  6. Step 6: Final answer
    x = 5,265,631.80

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Similar ratio
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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.