Home / 7,964,452.16-11,946,721.44-1,980,820.16

Finding the Fourth Proportional to 7,964,452.16, 11,946,721.44 and 1,980,820.16

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Solution

The fourth proportional to 7,964,452.16, 11,946,721.44 and 1,980,820.16 is: 2,971,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964,452.16 : 11,946,721.44 = 1,980,820.16 : x
  2. Step 2: Convert to fraction form
    7,964,452.16/11,946,721.44 = 1,980,820.16/x
  3. Step 3: Cross multiply
    7,964,452.16x = 11,946,721.44 × 1,980,820.16
  4. Step 4: Simplify right side
    7,964,452.16x = 23,664,306,674,256.23
  5. Step 5: Solve for x
    x = 23,664,306,674,256.23/7,964,452.16
  6. Step 6: Final answer
    x = 2,971,240.98

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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.