Home / 14,342,736.16-21,520,457.48-7,517,687.35

Finding the Fourth Proportional to 14,342,736.16, 21,520,457.48 and 7,517,687.35

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Solution

The fourth proportional to 14,342,736.16, 21,520,457.48 and 7,517,687.35 is: 11,279,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,736.16 : 21,520,457.48 = 7,517,687.35 : x
  2. Step 2: Convert to fraction form
    14,342,736.16/21,520,457.48 = 7,517,687.35/x
  3. Step 3: Cross multiply
    14,342,736.16x = 21,520,457.48 × 7,517,687.35
  4. Step 4: Simplify right side
    14,342,736.16x = 161,784,070,963,608.88
  5. Step 5: Solve for x
    x = 161,784,070,963,608.88/14,342,736.16
  6. Step 6: Final answer
    x = 11,279,861.05

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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.