Home / 13,214,098.17-19,818,785.01-8,407,509.57

Finding the Fourth Proportional to 13,214,098.17, 19,818,785.01 and 8,407,509.57

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Solution

The fourth proportional to 13,214,098.17, 19,818,785.01 and 8,407,509.57 is: 12,609,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,098.17 : 19,818,785.01 = 8,407,509.57 : x
  2. Step 2: Convert to fraction form
    13,214,098.17/19,818,785.01 = 8,407,509.57/x
  3. Step 3: Cross multiply
    13,214,098.17x = 19,818,785.01 × 8,407,509.57
  4. Step 4: Simplify right side
    13,214,098.17x = 166,626,624,637,347.56
  5. Step 5: Solve for x
    x = 166,626,624,637,347.56/13,214,098.17
  6. Step 6: Final answer
    x = 12,609,761.37

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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.