Home / 5,547,615.20-8,321,422.80-3,658,047.20

Finding the Fourth Proportional to 5,547,615.20, 8,321,422.80 and 3,658,047.20

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Solution

The fourth proportional to 5,547,615.20, 8,321,422.80 and 3,658,047.20 is: 5,487,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547,615.20 : 8,321,422.80 = 3,658,047.20 : x
  2. Step 2: Convert to fraction form
    5,547,615.20/8,321,422.80 = 3,658,047.20/x
  3. Step 3: Cross multiply
    5,547,615.20x = 8,321,422.80 × 3,658,047.20
  4. Step 4: Simplify right side
    5,547,615.20x = 30,440,157,373,556.16
  5. Step 5: Solve for x
    x = 30,440,157,373,556.16/5,547,615.20
  6. Step 6: Final answer
    x = 5,487,070.80

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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.