Home / 51,551,656.70-77,325,735.45-13,213,546.70

Finding the Fourth Proportional to 51,551,656.70, 77,325,735.45 and 13,213,546.70

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Solution

The fourth proportional to 51,551,656.70, 77,325,735.45 and 13,213,546.70 is: 19,819,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551,656.70 : 77,325,735.45 = 13,213,546.70 : x
  2. Step 2: Convert to fraction form
    51,551,656.70/77,325,735.45 = 13,213,546.70/x
  3. Step 3: Cross multiply
    51,551,656.70x = 77,325,735.45 × 13,213,546.70
  4. Step 4: Simplify right side
    51,551,656.70x = 1,021,747,216,480,420.50
  5. Step 5: Solve for x
    x = 1,021,747,216,480,420.50/51,551,656.70
  6. Step 6: Final answer
    x = 19,819,871.60

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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.