Home / 10,362,719.40-15,544,079.10-7,542,623.40

Finding the Fourth Proportional to 10,362,719.40, 15,544,079.10 and 7,542,623.40

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Solution

The fourth proportional to 10,362,719.40, 15,544,079.10 and 7,542,623.40 is: 11,313,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362,719.40 : 15,544,079.10 = 7,542,623.40 : x
  2. Step 2: Convert to fraction form
    10,362,719.40/15,544,079.10 = 7,542,623.40/x
  3. Step 3: Cross multiply
    10,362,719.40x = 15,544,079.10 × 7,542,623.40
  4. Step 4: Simplify right side
    10,362,719.40x = 117,243,134,751,110.94
  5. Step 5: Solve for x
    x = 117,243,134,751,110.94/10,362,719.40
  6. Step 6: Final answer
    x = 11,313,935.10

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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.