Home / 13,407,708.27-20,106,457.58-7,944,344.79

Finding the Fourth Proportional to 13,407,708.27, 20,106,457.58 and 7,944,344.79

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Solution

The fourth proportional to 13,407,708.27, 20,106,457.58 and 7,944,344.79 is: 11,913,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,708.27 : 20,106,457.58 = 7,944,344.79 : x
  2. Step 2: Convert to fraction form
    13,407,708.27/20,106,457.58 = 7,944,344.79/x
  3. Step 3: Cross multiply
    13,407,708.27x = 20,106,457.58 × 7,944,344.79
  4. Step 4: Simplify right side
    13,407,708.27x = 159,732,631,540,889.88
  5. Step 5: Solve for x
    x = 159,732,631,540,889.88/13,407,708.27
  6. Step 6: Final answer
    x = 11,913,492.47

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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.