Home / 13,210,166.64-18,222,287.72-8,307,612.40

Finding the Fourth Proportional to 13,210,166.64, 18,222,287.72 and 8,307,612.40

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Solution

The fourth proportional to 13,210,166.64, 18,222,287.72 and 8,307,612.40 is: 11,459,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,166.64 : 18,222,287.72 = 8,307,612.40 : x
  2. Step 2: Convert to fraction form
    13,210,166.64/18,222,287.72 = 8,307,612.40/x
  3. Step 3: Cross multiply
    13,210,166.64x = 18,222,287.72 × 8,307,612.40
  4. Step 4: Simplify right side
    13,210,166.64x = 151,383,703,419,039.72
  5. Step 5: Solve for x
    x = 151,383,703,419,039.72/13,210,166.64
  6. Step 6: Final answer
    x = 11,459,636.17

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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.