Home / 7,838,836.79-11,758,250.81-2,447,949.22

Finding the Fourth Proportional to 7,838,836.79, 11,758,250.81 and 2,447,949.22

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Solution

The fourth proportional to 7,838,836.79, 11,758,250.81 and 2,447,949.22 is: 3,671,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,836.79 : 11,758,250.81 = 2,447,949.22 : x
  2. Step 2: Convert to fraction form
    7,838,836.79/11,758,250.81 = 2,447,949.22/x
  3. Step 3: Cross multiply
    7,838,836.79x = 11,758,250.81 × 2,447,949.22
  4. Step 4: Simplify right side
    7,838,836.79x = 28,783,600,875,628.11
  5. Step 5: Solve for x
    x = 28,783,600,875,628.11/7,838,836.79
  6. Step 6: Final answer
    x = 3,671,922.46

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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.