Home / 42,843,546.12-64,265,319.24-12,551,409.12

Finding the Fourth Proportional to 42,843,546.12, 64,265,319.24 and 12,551,409.12

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Solution

The fourth proportional to 42,843,546.12, 64,265,319.24 and 12,551,409.12 is: 18,827,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,843,546.12 : 64,265,319.24 = 12,551,409.12 : x
  2. Step 2: Convert to fraction form
    42,843,546.12/64,265,319.24 = 12,551,409.12/x
  3. Step 3: Cross multiply
    42,843,546.12x = 64,265,319.24 × 12,551,409.12
  4. Step 4: Simplify right side
    42,843,546.12x = 806,620,314,008,647.50
  5. Step 5: Solve for x
    x = 806,620,314,008,647.50/42,843,546.12
  6. Step 6: Final answer
    x = 18,827,113.70

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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.