Home / 15,415,626.47-21,268,327.32-8,795,459.06

Finding the Fourth Proportional to 15,415,626.47, 21,268,327.32 and 8,795,459.06

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Solution

The fourth proportional to 15,415,626.47, 21,268,327.32 and 8,795,459.06 is: 12,134,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415,626.47 : 21,268,327.32 = 8,795,459.06 : x
  2. Step 2: Convert to fraction form
    15,415,626.47/21,268,327.32 = 8,795,459.06/x
  3. Step 3: Cross multiply
    15,415,626.47x = 21,268,327.32 × 8,795,459.06
  4. Step 4: Simplify right side
    15,415,626.47x = 187,064,702,226,933.06
  5. Step 5: Solve for x
    x = 187,064,702,226,933.06/15,415,626.47
  6. Step 6: Final answer
    x = 12,134,745.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.