Home / 13,624,663.50-18,802,489.67-7,430,049.24

Finding the Fourth Proportional to 13,624,663.50, 18,802,489.67 and 7,430,049.24

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Solution

The fourth proportional to 13,624,663.50, 18,802,489.67 and 7,430,049.24 is: 10,253,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624,663.50 : 18,802,489.67 = 7,430,049.24 : x
  2. Step 2: Convert to fraction form
    13,624,663.50/18,802,489.67 = 7,430,049.24/x
  3. Step 3: Cross multiply
    13,624,663.50x = 18,802,489.67 × 7,430,049.24
  4. Step 4: Simplify right side
    13,624,663.50x = 139,703,424,045,541.11
  5. Step 5: Solve for x
    x = 139,703,424,045,541.11/13,624,663.50
  6. Step 6: Final answer
    x = 10,253,715.55

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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.