Home / 12,097,117.20-18,148,883.40-5,270,761.20

Finding the Fourth Proportional to 12,097,117.20, 18,148,883.40 and 5,270,761.20

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Solution

The fourth proportional to 12,097,117.20, 18,148,883.40 and 5,270,761.20 is: 7,907,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,117.20 : 18,148,883.40 = 5,270,761.20 : x
  2. Step 2: Convert to fraction form
    12,097,117.20/18,148,883.40 = 5,270,761.20/x
  3. Step 3: Cross multiply
    12,097,117.20x = 18,148,883.40 × 5,270,761.20
  4. Step 4: Simplify right side
    12,097,117.20x = 95,658,430,448,044.08
  5. Step 5: Solve for x
    x = 95,658,430,448,044.08/12,097,117.20
  6. Step 6: Final answer
    x = 7,907,539.36

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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.