Home / 15,194,668.32-20,967,811.74-8,317,820.16

Finding the Fourth Proportional to 15,194,668.32, 20,967,811.74 and 8,317,820.16

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Solution

The fourth proportional to 15,194,668.32, 20,967,811.74 and 8,317,820.16 is: 11,478,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194,668.32 : 20,967,811.74 = 8,317,820.16 : x
  2. Step 2: Convert to fraction form
    15,194,668.32/20,967,811.74 = 8,317,820.16/x
  3. Step 3: Cross multiply
    15,194,668.32x = 20,967,811.74 × 8,317,820.16
  4. Step 4: Simplify right side
    15,194,668.32x = 174,406,487,202,056.66
  5. Step 5: Solve for x
    x = 174,406,487,202,056.66/15,194,668.32
  6. Step 6: Final answer
    x = 11,478,137.17

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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.