Home / 7,808,724.12-11,712,741.06-2,128,949.04

Finding the Fourth Proportional to 7,808,724.12, 11,712,741.06 and 2,128,949.04

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Solution

The fourth proportional to 7,808,724.12, 11,712,741.06 and 2,128,949.04 is: 3,193,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808,724.12 : 11,712,741.06 = 2,128,949.04 : x
  2. Step 2: Convert to fraction form
    7,808,724.12/11,712,741.06 = 2,128,949.04/x
  3. Step 3: Cross multiply
    7,808,724.12x = 11,712,741.06 × 2,128,949.04
  4. Step 4: Simplify right side
    7,808,724.12x = 24,935,828,835,455.58
  5. Step 5: Solve for x
    x = 24,935,828,835,455.58/7,808,724.12
  6. Step 6: Final answer
    x = 3,193,329.47

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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.