Home / 7,111,751.41-10,663,307.24-2,788,622.45

Finding the Fourth Proportional to 7,111,751.41, 10,663,307.24 and 2,788,622.45

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Solution

The fourth proportional to 7,111,751.41, 10,663,307.24 and 2,788,622.45 is: 4,181,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,751.41 : 10,663,307.24 = 2,788,622.45 : x
  2. Step 2: Convert to fraction form
    7,111,751.41/10,663,307.24 = 2,788,622.45/x
  3. Step 3: Cross multiply
    7,111,751.41x = 10,663,307.24 × 2,788,622.45
  4. Step 4: Simplify right side
    7,111,751.41x = 29,735,937,933,439.29
  5. Step 5: Solve for x
    x = 29,735,937,933,439.29/7,111,751.41
  6. Step 6: Final answer
    x = 4,181,239.78

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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.