Home / 13,902,935.70-20,854,403.55-12,895,166.10

Finding the Fourth Proportional to 13,902,935.70, 20,854,403.55 and 12,895,166.10

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Solution

The fourth proportional to 13,902,935.70, 20,854,403.55 and 12,895,166.10 is: 19,342,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,935.70 : 20,854,403.55 = 12,895,166.10 : x
  2. Step 2: Convert to fraction form
    13,902,935.70/20,854,403.55 = 12,895,166.10/x
  3. Step 3: Cross multiply
    13,902,935.70x = 20,854,403.55 × 12,895,166.10
  4. Step 4: Simplify right side
    13,902,935.70x = 268,920,997,693,679.66
  5. Step 5: Solve for x
    x = 268,920,997,693,679.66/13,902,935.70
  6. Step 6: Final answer
    x = 19,342,749.15

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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.