Home / 13,783,421.70-20,675,132.55-13,570,845.30

Finding the Fourth Proportional to 13,783,421.70, 20,675,132.55 and 13,570,845.30

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Solution

The fourth proportional to 13,783,421.70, 20,675,132.55 and 13,570,845.30 is: 20,356,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,421.70 : 20,675,132.55 = 13,570,845.30 : x
  2. Step 2: Convert to fraction form
    13,783,421.70/20,675,132.55 = 13,570,845.30/x
  3. Step 3: Cross multiply
    13,783,421.70x = 20,675,132.55 × 13,570,845.30
  4. Step 4: Simplify right side
    13,783,421.70x = 280,579,025,393,044.53
  5. Step 5: Solve for x
    x = 280,579,025,393,044.53/13,783,421.70
  6. Step 6: Final answer
    x = 20,356,267.95

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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.