Home / 7,626,977.28-11,440,448.64-1,947,196.80

Finding the Fourth Proportional to 7,626,977.28, 11,440,448.64 and 1,947,196.80

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Solution

The fourth proportional to 7,626,977.28, 11,440,448.64 and 1,947,196.80 is: 2,920,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626,977.28 : 11,440,448.64 = 1,947,196.80 : x
  2. Step 2: Convert to fraction form
    7,626,977.28/11,440,448.64 = 1,947,196.80/x
  3. Step 3: Cross multiply
    7,626,977.28x = 11,440,448.64 × 1,947,196.80
  4. Step 4: Simplify right side
    7,626,977.28x = 22,276,804,982,372.36
  5. Step 5: Solve for x
    x = 22,276,804,982,372.36/7,626,977.28
  6. Step 6: Final answer
    x = 2,920,790.79

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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.