Home / 36,009,099.26-54,015,969.87-12,662,978.13

Finding the Fourth Proportional to 36,009,099.26, 54,015,969.87 and 12,662,978.13

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Solution

The fourth proportional to 36,009,099.26, 54,015,969.87 and 12,662,978.13 is: 18,995,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009,099.26 : 54,015,969.87 = 12,662,978.13 : x
  2. Step 2: Convert to fraction form
    36,009,099.26/54,015,969.87 = 12,662,978.13/x
  3. Step 3: Cross multiply
    36,009,099.26x = 54,015,969.87 × 12,662,978.13
  4. Step 4: Simplify right side
    36,009,099.26x = 684,003,045,134,549
  5. Step 5: Solve for x
    x = 684,003,045,134,549/36,009,099.26
  6. Step 6: Final answer
    x = 18,995,283.39

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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.