Home / 14,592,583.78-20,137,770.03-7,977,201.01

Finding the Fourth Proportional to 14,592,583.78, 20,137,770.03 and 7,977,201.01

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Solution

The fourth proportional to 14,592,583.78, 20,137,770.03 and 7,977,201.01 is: 11,008,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592,583.78 : 20,137,770.03 = 7,977,201.01 : x
  2. Step 2: Convert to fraction form
    14,592,583.78/20,137,770.03 = 7,977,201.01/x
  3. Step 3: Cross multiply
    14,592,583.78x = 20,137,770.03 × 7,977,201.01
  4. Step 4: Simplify right side
    14,592,583.78x = 160,643,039,422,463.75
  5. Step 5: Solve for x
    x = 160,643,039,422,463.75/14,592,583.78
  6. Step 6: Final answer
    x = 11,008,539.81

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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.