Home / 18,751,515.80-28,127,273.70-5,973,312.20

Finding the Fourth Proportional to 18,751,515.80, 28,127,273.70 and 5,973,312.20

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Solution

The fourth proportional to 18,751,515.80, 28,127,273.70 and 5,973,312.20 is: 8,959,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,515.80 : 28,127,273.70 = 5,973,312.20 : x
  2. Step 2: Convert to fraction form
    18,751,515.80/28,127,273.70 = 5,973,312.20/x
  3. Step 3: Cross multiply
    18,751,515.80x = 28,127,273.70 × 5,973,312.20
  4. Step 4: Simplify right side
    18,751,515.80x = 168,012,987,144,949.16
  5. Step 5: Solve for x
    x = 168,012,987,144,949.16/18,751,515.80
  6. Step 6: Final answer
    x = 8,959,968.30

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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.