Home / 7,881,870.10-11,822,805.15-2,202,085.30

Finding the Fourth Proportional to 7,881,870.10, 11,822,805.15 and 2,202,085.30

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Solution

The fourth proportional to 7,881,870.10, 11,822,805.15 and 2,202,085.30 is: 3,303,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,870.10 : 11,822,805.15 = 2,202,085.30 : x
  2. Step 2: Convert to fraction form
    7,881,870.10/11,822,805.15 = 2,202,085.30/x
  3. Step 3: Cross multiply
    7,881,870.10x = 11,822,805.15 × 2,202,085.30
  4. Step 4: Simplify right side
    7,881,870.10x = 26,034,825,425,579.29
  5. Step 5: Solve for x
    x = 26,034,825,425,579.29/7,881,870.10
  6. Step 6: Final answer
    x = 3,303,127.95

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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.