Home / 15,783,048.30-23,674,572.45-7,279,992.30

Finding the Fourth Proportional to 15,783,048.30, 23,674,572.45 and 7,279,992.30

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Solution

The fourth proportional to 15,783,048.30, 23,674,572.45 and 7,279,992.30 is: 10,919,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783,048.30 : 23,674,572.45 = 7,279,992.30 : x
  2. Step 2: Convert to fraction form
    15,783,048.30/23,674,572.45 = 7,279,992.30/x
  3. Step 3: Cross multiply
    15,783,048.30x = 23,674,572.45 × 7,279,992.30
  4. Step 4: Simplify right side
    15,783,048.30x = 172,350,705,141,792.12
  5. Step 5: Solve for x
    x = 172,350,705,141,792.12/15,783,048.30
  6. Step 6: Final answer
    x = 10,919,988.45

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Double scale
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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.