Home / 9,200,642.76-12,699,050.64-5,718,611.28

Finding the Fourth Proportional to 9,200,642.76, 12,699,050.64 and 5,718,611.28

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Solution

The fourth proportional to 9,200,642.76, 12,699,050.64 and 5,718,611.28 is: 7,893,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200,642.76 : 12,699,050.64 = 5,718,611.28 : x
  2. Step 2: Convert to fraction form
    9,200,642.76/12,699,050.64 = 5,718,611.28/x
  3. Step 3: Cross multiply
    9,200,642.76x = 12,699,050.64 × 5,718,611.28
  4. Step 4: Simplify right side
    9,200,642.76x = 72,620,934,235,195.22
  5. Step 5: Solve for x
    x = 72,620,934,235,195.22/9,200,642.76
  6. Step 6: Final answer
    x = 7,893,028.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.