Home / 12,761,646.12-19,140,196.32-5,084,647.56

Finding the Fourth Proportional to 12,761,646.12, 19,140,196.32 and 5,084,647.56

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Solution

The fourth proportional to 12,761,646.12, 19,140,196.32 and 5,084,647.56 is: 7,626,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,646.12 : 19,140,196.32 = 5,084,647.56 : x
  2. Step 2: Convert to fraction form
    12,761,646.12/19,140,196.32 = 5,084,647.56/x
  3. Step 3: Cross multiply
    12,761,646.12x = 19,140,196.32 × 5,084,647.56
  4. Step 4: Simplify right side
    12,761,646.12x = 97,321,152,516,408.97
  5. Step 5: Solve for x
    x = 97,321,152,516,408.97/12,761,646.12
  6. Step 6: Final answer
    x = 7,626,065.76

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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.