Home / 19,043,643.38-28,537,464.15-11,254,540.82

Finding the Fourth Proportional to 19,043,643.38, 28,537,464.15 and 11,254,540.82

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Solution

The fourth proportional to 19,043,643.38, 28,537,464.15 and 11,254,540.82 is: 16,865,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,643.38 : 28,537,464.15 = 11,254,540.82 : x
  2. Step 2: Convert to fraction form
    19,043,643.38/28,537,464.15 = 11,254,540.82/x
  3. Step 3: Cross multiply
    19,043,643.38x = 28,537,464.15 × 11,254,540.82
  4. Step 4: Simplify right side
    19,043,643.38x = 321,176,055,032,774.25
  5. Step 5: Solve for x
    x = 321,176,055,032,774.25/19,043,643.38
  6. Step 6: Final answer
    x = 16,865,263.05

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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.