Home / 18,145,113.60-27,217,670.40-6,783,211.20

Finding the Fourth Proportional to 18,145,113.60, 27,217,670.40 and 6,783,211.20

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Solution

The fourth proportional to 18,145,113.60, 27,217,670.40 and 6,783,211.20 is: 10,174,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,113.60 : 27,217,670.40 = 6,783,211.20 : x
  2. Step 2: Convert to fraction form
    18,145,113.60/27,217,670.40 = 6,783,211.20/x
  3. Step 3: Cross multiply
    18,145,113.60x = 27,217,670.40 × 6,783,211.20
  4. Step 4: Simplify right side
    18,145,113.60x = 184,623,206,695,188.47
  5. Step 5: Solve for x
    x = 184,623,206,695,188.47/18,145,113.60
  6. Step 6: Final answer
    x = 10,174,816.80

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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.