Home / 16,906,740.90-23,331,290.64-9,171,784.68

Finding the Fourth Proportional to 16,906,740.90, 23,331,290.64 and 9,171,784.68

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Solution

The fourth proportional to 16,906,740.90, 23,331,290.64 and 9,171,784.68 is: 12,657,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906,740.90 : 23,331,290.64 = 9,171,784.68 : x
  2. Step 2: Convert to fraction form
    16,906,740.90/23,331,290.64 = 9,171,784.68/x
  3. Step 3: Cross multiply
    16,906,740.90x = 23,331,290.64 × 9,171,784.68
  4. Step 4: Simplify right side
    16,906,740.90x = 213,989,574,056,579.41
  5. Step 5: Solve for x
    x = 213,989,574,056,579.41/16,906,740.90
  6. Step 6: Final answer
    x = 12,657,056.46

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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.