Home / 43,447,130.10-65,179,443.15-12,741,650.10

Finding the Fourth Proportional to 43,447,130.10, 65,179,443.15 and 12,741,650.10

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Solution

The fourth proportional to 43,447,130.10, 65,179,443.15 and 12,741,650.10 is: 19,115,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,447,130.10 : 65,179,443.15 = 12,741,650.10 : x
  2. Step 2: Convert to fraction form
    43,447,130.10/65,179,443.15 = 12,741,650.10/x
  3. Step 3: Cross multiply
    43,447,130.10x = 65,179,443.15 × 12,741,650.10
  4. Step 4: Simplify right side
    43,447,130.10x = 830,493,658,330,141.75
  5. Step 5: Solve for x
    x = 830,493,658,330,141.75/43,447,130.10
  6. Step 6: Final answer
    x = 19,115,040.66

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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.