Home / 19,071,759.65-28,620,359.60-6,941,219.72

Finding the Fourth Proportional to 19,071,759.65, 28,620,359.60 and 6,941,219.72

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Solution

The fourth proportional to 19,071,759.65, 28,620,359.60 and 6,941,219.72 is: 10,416,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071,759.65 : 28,620,359.60 = 6,941,219.72 : x
  2. Step 2: Convert to fraction form
    19,071,759.65/28,620,359.60 = 6,941,219.72/x
  3. Step 3: Cross multiply
    19,071,759.65x = 28,620,359.60 × 6,941,219.72
  4. Step 4: Simplify right side
    19,071,759.65x = 198,660,204,271,203.41
  5. Step 5: Solve for x
    x = 198,660,204,271,203.41/19,071,759.65
  6. Step 6: Final answer
    x = 10,416,459.10

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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.