Home / 14,615,419.89-20,169,322.61-8,089,502.61

Finding the Fourth Proportional to 14,615,419.89, 20,169,322.61 and 8,089,502.61

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Solution

The fourth proportional to 14,615,419.89, 20,169,322.61 and 8,089,502.61 is: 11,163,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615,419.89 : 20,169,322.61 = 8,089,502.61 : x
  2. Step 2: Convert to fraction form
    14,615,419.89/20,169,322.61 = 8,089,502.61/x
  3. Step 3: Cross multiply
    14,615,419.89x = 20,169,322.61 × 8,089,502.61
  4. Step 4: Simplify right side
    14,615,419.89x = 163,159,787,855,079.50
  5. Step 5: Solve for x
    x = 163,159,787,855,079.50/14,615,419.89
  6. Step 6: Final answer
    x = 11,163,537.49

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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.