Home / 15,145,033.86-20,900,064.03-8,269,466.70

Finding the Fourth Proportional to 15,145,033.86, 20,900,064.03 and 8,269,466.70

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Solution

The fourth proportional to 15,145,033.86, 20,900,064.03 and 8,269,466.70 is: 11,411,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145,033.86 : 20,900,064.03 = 8,269,466.70 : x
  2. Step 2: Convert to fraction form
    15,145,033.86/20,900,064.03 = 8,269,466.70/x
  3. Step 3: Cross multiply
    15,145,033.86x = 20,900,064.03 × 8,269,466.70
  4. Step 4: Simplify right side
    15,145,033.86x = 172,832,383,523,952.81
  5. Step 5: Solve for x
    x = 172,832,383,523,952.81/15,145,033.86
  6. Step 6: Final answer
    x = 11,411,818.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.