Home / 13,101,254.22-19,651,881.33-5,117,479.50

Finding the Fourth Proportional to 13,101,254.22, 19,651,881.33 and 5,117,479.50

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Solution

The fourth proportional to 13,101,254.22, 19,651,881.33 and 5,117,479.50 is: 7,676,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101,254.22 : 19,651,881.33 = 5,117,479.50 : x
  2. Step 2: Convert to fraction form
    13,101,254.22/19,651,881.33 = 5,117,479.50/x
  3. Step 3: Cross multiply
    13,101,254.22x = 19,651,881.33 × 5,117,479.50
  4. Step 4: Simplify right side
    13,101,254.22x = 100,568,099,842,707.72
  5. Step 5: Solve for x
    x = 100,568,099,842,707.72/13,101,254.22
  6. Step 6: Final answer
    x = 7,676,219.25

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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.