Home / 20,549,396.02-28,358,166-11,382,629.26

Finding the Fourth Proportional to 20,549,396.02, 28,358,166 and 11,382,629.26

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Solution

The fourth proportional to 20,549,396.02, 28,358,166 and 11,382,629.26 is: 15,708,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,396.02 : 28,358,166 = 11,382,629.26 : x
  2. Step 2: Convert to fraction form
    20,549,396.02/28,358,166 = 11,382,629.26/x
  3. Step 3: Cross multiply
    20,549,396.02x = 28,358,166 × 11,382,629.26
  4. Step 4: Simplify right side
    20,549,396.02x = 322,790,490,071,537.12
  5. Step 5: Solve for x
    x = 322,790,490,071,537.12/20,549,396.02
  6. Step 6: Final answer
    x = 15,708,028.10

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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.