Home / 6,618,307.20-9,920,397.60-3,772,291.20

Finding the Fourth Proportional to 6,618,307.20, 9,920,397.60 and 3,772,291.20

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Solution

The fourth proportional to 6,618,307.20, 9,920,397.60 and 3,772,291.20 is: 5,654,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618,307.20 : 9,920,397.60 = 3,772,291.20 : x
  2. Step 2: Convert to fraction form
    6,618,307.20/9,920,397.60 = 3,772,291.20/x
  3. Step 3: Cross multiply
    6,618,307.20x = 9,920,397.60 × 3,772,291.20
  4. Step 4: Simplify right side
    6,618,307.20x = 37,422,628,566,981.12
  5. Step 5: Solve for x
    x = 37,422,628,566,981.12/6,618,307.20
  6. Step 6: Final answer
    x = 5,654,410.93

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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.