Home / 12,071,063.80-18,106,595.70-8,244,688.60

Finding the Fourth Proportional to 12,071,063.80, 18,106,595.70 and 8,244,688.60

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Solution

The fourth proportional to 12,071,063.80, 18,106,595.70 and 8,244,688.60 is: 12,367,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,063.80 : 18,106,595.70 = 8,244,688.60 : x
  2. Step 2: Convert to fraction form
    12,071,063.80/18,106,595.70 = 8,244,688.60/x
  3. Step 3: Cross multiply
    12,071,063.80x = 18,106,595.70 × 8,244,688.60
  4. Step 4: Simplify right side
    12,071,063.80x = 149,283,243,152,599
  5. Step 5: Solve for x
    x = 149,283,243,152,599/12,071,063.80
  6. Step 6: Final answer
    x = 12,367,032.90

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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.