Home / 19,071,761.65-28,620,362.60-6,941,221.72

Finding the Fourth Proportional to 19,071,761.65, 28,620,362.60 and 6,941,221.72

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Solution

The fourth proportional to 19,071,761.65, 28,620,362.60 and 6,941,221.72 is: 10,416,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071,761.65 : 28,620,362.60 = 6,941,221.72 : x
  2. Step 2: Convert to fraction form
    19,071,761.65/28,620,362.60 = 6,941,221.72/x
  3. Step 3: Cross multiply
    19,071,761.65x = 28,620,362.60 × 6,941,221.72
  4. Step 4: Simplify right side
    19,071,761.65x = 198,660,282,513,395.69
  5. Step 5: Solve for x
    x = 198,660,282,513,395.69/19,071,761.65
  6. Step 6: Final answer
    x = 10,416,462.11

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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.