Home / 11,257,764.53-15,543,341.30-7,131,457.40

Finding the Fourth Proportional to 11,257,764.53, 15,543,341.30 and 7,131,457.40

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Solution

The fourth proportional to 11,257,764.53, 15,543,341.30 and 7,131,457.40 is: 9,846,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257,764.53 : 15,543,341.30 = 7,131,457.40 : x
  2. Step 2: Convert to fraction form
    11,257,764.53/15,543,341.30 = 7,131,457.40/x
  3. Step 3: Cross multiply
    11,257,764.53x = 15,543,341.30 × 7,131,457.40
  4. Step 4: Simplify right side
    11,257,764.53x = 110,846,676,274,722.55
  5. Step 5: Solve for x
    x = 110,846,676,274,722.55/11,257,764.53
  6. Step 6: Final answer
    x = 9,846,242.21

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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.