Home / 12,353,042.10-18,529,563.15-9,164,396.10

Finding the Fourth Proportional to 12,353,042.10, 18,529,563.15 and 9,164,396.10

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Solution

The fourth proportional to 12,353,042.10, 18,529,563.15 and 9,164,396.10 is: 13,746,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353,042.10 : 18,529,563.15 = 9,164,396.10 : x
  2. Step 2: Convert to fraction form
    12,353,042.10/18,529,563.15 = 9,164,396.10/x
  3. Step 3: Cross multiply
    12,353,042.10x = 18,529,563.15 × 9,164,396.10
  4. Step 4: Simplify right side
    12,353,042.10x = 169,812,256,266,563.69
  5. Step 5: Solve for x
    x = 169,812,256,266,563.69/12,353,042.10
  6. Step 6: Final answer
    x = 13,746,594.15

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Similar ratio
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1.5x scale

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.