Home / 13,343,886.12-20,008,634.76-7,199,161.32

Finding the Fourth Proportional to 13,343,886.12, 20,008,634.76 and 7,199,161.32

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Solution

The fourth proportional to 13,343,886.12, 20,008,634.76 and 7,199,161.32 is: 10,794,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343,886.12 : 20,008,634.76 = 7,199,161.32 : x
  2. Step 2: Convert to fraction form
    13,343,886.12/20,008,634.76 = 7,199,161.32/x
  3. Step 3: Cross multiply
    13,343,886.12x = 20,008,634.76 × 7,199,161.32
  4. Step 4: Simplify right side
    13,343,886.12x = 144,045,389,430,199.50
  5. Step 5: Solve for x
    x = 144,045,389,430,199.50/13,343,886.12
  6. Step 6: Final answer
    x = 10,794,860.52

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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.