Home / 6,909,836.83-10,366,271.57-2,117,886.55

Finding the Fourth Proportional to 6,909,836.83, 10,366,271.57 and 2,117,886.55

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Solution

The fourth proportional to 6,909,836.83, 10,366,271.57 and 2,117,886.55 is: 3,177,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,836.83 : 10,366,271.57 = 2,117,886.55 : x
  2. Step 2: Convert to fraction form
    6,909,836.83/10,366,271.57 = 2,117,886.55/x
  3. Step 3: Cross multiply
    6,909,836.83x = 10,366,271.57 × 2,117,886.55
  4. Step 4: Simplify right side
    6,909,836.83x = 21,954,587,111,129.42
  5. Step 5: Solve for x
    x = 21,954,587,111,129.42/6,909,836.83
  6. Step 6: Final answer
    x = 3,177,294.58

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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.