Home / 12,059,162.40-18,088,743.60-7,276,193.40

Finding the Fourth Proportional to 12,059,162.40, 18,088,743.60 and 7,276,193.40

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Solution

The fourth proportional to 12,059,162.40, 18,088,743.60 and 7,276,193.40 is: 10,914,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059,162.40 : 18,088,743.60 = 7,276,193.40 : x
  2. Step 2: Convert to fraction form
    12,059,162.40/18,088,743.60 = 7,276,193.40/x
  3. Step 3: Cross multiply
    12,059,162.40x = 18,088,743.60 × 7,276,193.40
  4. Step 4: Simplify right side
    12,059,162.40x = 131,617,196,796,612.25
  5. Step 5: Solve for x
    x = 131,617,196,796,612.25/12,059,162.40
  6. Step 6: Final answer
    x = 10,914,290.10

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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.