Home / 20,088,529.48-27,722,486.10-10,921,207.24

Finding the Fourth Proportional to 20,088,529.48, 27,722,486.10 and 10,921,207.24

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Solution

The fourth proportional to 20,088,529.48, 27,722,486.10 and 10,921,207.24 is: 15,071,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088,529.48 : 27,722,486.10 = 10,921,207.24 : x
  2. Step 2: Convert to fraction form
    20,088,529.48/27,722,486.10 = 10,921,207.24/x
  3. Step 3: Cross multiply
    20,088,529.48x = 27,722,486.10 × 10,921,207.24
  4. Step 4: Simplify right side
    20,088,529.48x = 302,763,015,906,119.38
  5. Step 5: Solve for x
    x = 302,763,015,906,119.38/20,088,529.48
  6. Step 6: Final answer
    x = 15,071,437.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.