Home / 16,915,871.66-23,343,925.61-9,180,914.09

Finding the Fourth Proportional to 16,915,871.66, 23,343,925.61 and 9,180,914.09

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Solution

The fourth proportional to 16,915,871.66, 23,343,925.61 and 9,180,914.09 is: 12,669,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,871.66 : 23,343,925.61 = 9,180,914.09 : x
  2. Step 2: Convert to fraction form
    16,915,871.66/23,343,925.61 = 9,180,914.09/x
  3. Step 3: Cross multiply
    16,915,871.66x = 23,343,925.61 × 9,180,914.09
  4. Step 4: Simplify right side
    16,915,871.66x = 214,318,575,454,993.53
  5. Step 5: Solve for x
    x = 214,318,575,454,993.53/16,915,871.66
  6. Step 6: Final answer
    x = 12,669,673.77

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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.