Home / 13,189,009.70-19,783,514.55-10,921,528.10

Finding the Fourth Proportional to 13,189,009.70, 19,783,514.55 and 10,921,528.10

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Solution

The fourth proportional to 13,189,009.70, 19,783,514.55 and 10,921,528.10 is: 16,382,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,009.70 : 19,783,514.55 = 10,921,528.10 : x
  2. Step 2: Convert to fraction form
    13,189,009.70/19,783,514.55 = 10,921,528.10/x
  3. Step 3: Cross multiply
    13,189,009.70x = 19,783,514.55 × 10,921,528.10
  4. Step 4: Simplify right side
    13,189,009.70x = 216,066,210,074,583.84
  5. Step 5: Solve for x
    x = 216,066,210,074,583.84/13,189,009.70
  6. Step 6: Final answer
    x = 16,382,292.15

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Double scale
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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.