Home / 40,440,012.20-60,660,018.30-11,687,085.80

Finding the Fourth Proportional to 40,440,012.20, 60,660,018.30 and 11,687,085.80

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Solution

The fourth proportional to 40,440,012.20, 60,660,018.30 and 11,687,085.80 is: 17,530,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440,012.20 : 60,660,018.30 = 11,687,085.80 : x
  2. Step 2: Convert to fraction form
    40,440,012.20/60,660,018.30 = 11,687,085.80/x
  3. Step 3: Cross multiply
    40,440,012.20x = 60,660,018.30 × 11,687,085.80
  4. Step 4: Simplify right side
    40,440,012.20x = 708,938,838,501,670.12
  5. Step 5: Solve for x
    x = 708,938,838,501,670.12/40,440,012.20
  6. Step 6: Final answer
    x = 17,530,628.70

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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.