Home / 13,188,083.45-19,758,210.03-12,901,105.31

Finding the Fourth Proportional to 13,188,083.45, 19,758,210.03 and 12,901,105.31

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Solution

The fourth proportional to 13,188,083.45, 19,758,210.03 and 12,901,105.31 is: 19,328,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,083.45 : 19,758,210.03 = 12,901,105.31 : x
  2. Step 2: Convert to fraction form
    13,188,083.45/19,758,210.03 = 12,901,105.31/x
  3. Step 3: Cross multiply
    13,188,083.45x = 19,758,210.03 × 12,901,105.31
  4. Step 4: Simplify right side
    13,188,083.45x = 254,902,748,235,337.22
  5. Step 5: Solve for x
    x = 254,902,748,235,337.22/13,188,083.45
  6. Step 6: Final answer
    x = 19,328,263.22

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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.