Home / 6,909,821.16-10,366,248.22-2,117,870.76

Finding the Fourth Proportional to 6,909,821.16, 10,366,248.22 and 2,117,870.76

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Solution

The fourth proportional to 6,909,821.16, 10,366,248.22 and 2,117,870.76 is: 3,177,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,821.16 : 10,366,248.22 = 2,117,870.76 : x
  2. Step 2: Convert to fraction form
    6,909,821.16/10,366,248.22 = 2,117,870.76/x
  3. Step 3: Cross multiply
    6,909,821.16x = 10,366,248.22 × 2,117,870.76
  4. Step 4: Simplify right side
    6,909,821.16x = 21,954,373,996,040.05
  5. Step 5: Solve for x
    x = 21,954,373,996,040.05/6,909,821.16
  6. Step 6: Final answer
    x = 3,177,270.94

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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.