Home / 27,985,414.12-38,629,533.54-16,386,705.64

Finding the Fourth Proportional to 27,985,414.12, 38,629,533.54 and 16,386,705.64

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Solution

The fourth proportional to 27,985,414.12, 38,629,533.54 and 16,386,705.64 is: 22,619,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985,414.12 : 38,629,533.54 = 16,386,705.64 : x
  2. Step 2: Convert to fraction form
    27,985,414.12/38,629,533.54 = 16,386,705.64/x
  3. Step 3: Cross multiply
    27,985,414.12x = 38,629,533.54 × 16,386,705.64
  4. Step 4: Simplify right side
    27,985,414.12x = 633,010,795,130,487.12
  5. Step 5: Solve for x
    x = 633,010,795,130,487.12/27,985,414.12
  6. Step 6: Final answer
    x = 22,619,311.35

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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.