Home / 12,931,239.76-19,398,360.36-4,296,110.82

Finding the Fourth Proportional to 12,931,239.76, 19,398,360.36 and 4,296,110.82

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Solution

The fourth proportional to 12,931,239.76, 19,398,360.36 and 4,296,110.82 is: 6,444,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,239.76 : 19,398,360.36 = 4,296,110.82 : x
  2. Step 2: Convert to fraction form
    12,931,239.76/19,398,360.36 = 4,296,110.82/x
  3. Step 3: Cross multiply
    12,931,239.76x = 19,398,360.36 × 4,296,110.82
  4. Step 4: Simplify right side
    12,931,239.76x = 83,337,505,832,855.09
  5. Step 5: Solve for x
    x = 83,337,505,832,855.09/12,931,239.76
  6. Step 6: Final answer
    x = 6,444,664.81

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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.