Home / 16,915,872.16-23,343,926.30-9,180,914.59

Finding the Fourth Proportional to 16,915,872.16, 23,343,926.30 and 9,180,914.59

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Solution

The fourth proportional to 16,915,872.16, 23,343,926.30 and 9,180,914.59 is: 12,669,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,872.16 : 23,343,926.30 = 9,180,914.59 : x
  2. Step 2: Convert to fraction form
    16,915,872.16/23,343,926.30 = 9,180,914.59/x
  3. Step 3: Cross multiply
    16,915,872.16x = 23,343,926.30 × 9,180,914.59
  4. Step 4: Simplify right side
    16,915,872.16x = 214,318,593,461,787.38
  5. Step 5: Solve for x
    x = 214,318,593,461,787.38/16,915,872.16
  6. Step 6: Final answer
    x = 12,669,674.46

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1.5x scale

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.