Home / 18,043,845.40-27,065,768.10-5,265,641.80

Finding the Fourth Proportional to 18,043,845.40, 27,065,768.10 and 5,265,641.80

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Solution

The fourth proportional to 18,043,845.40, 27,065,768.10 and 5,265,641.80 is: 7,898,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043,845.40 : 27,065,768.10 = 5,265,641.80 : x
  2. Step 2: Convert to fraction form
    18,043,845.40/27,065,768.10 = 5,265,641.80/x
  3. Step 3: Cross multiply
    18,043,845.40x = 27,065,768.10 × 5,265,641.80
  4. Step 4: Simplify right side
    18,043,845.40x = 142,518,639,856,466.59
  5. Step 5: Solve for x
    x = 142,518,639,856,466.59/18,043,845.40
  6. Step 6: Final answer
    x = 7,898,462.70

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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.