Home / 17,980,828.20-26,971,242.30-11,934,210.60

Finding the Fourth Proportional to 17,980,828.20, 26,971,242.30 and 11,934,210.60

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Solution

The fourth proportional to 17,980,828.20, 26,971,242.30 and 11,934,210.60 is: 17,901,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980,828.20 : 26,971,242.30 = 11,934,210.60 : x
  2. Step 2: Convert to fraction form
    17,980,828.20/26,971,242.30 = 11,934,210.60/x
  3. Step 3: Cross multiply
    17,980,828.20x = 26,971,242.30 × 11,934,210.60
  4. Step 4: Simplify right side
    17,980,828.20x = 321,880,485,751,828.38
  5. Step 5: Solve for x
    x = 321,880,485,751,828.38/17,980,828.20
  6. Step 6: Final answer
    x = 17,901,315.90

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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.