Home / 26,958,765.80-40,438,148.70-19,306,015.40

Finding the Fourth Proportional to 26,958,765.80, 40,438,148.70 and 19,306,015.40

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Solution

The fourth proportional to 26,958,765.80, 40,438,148.70 and 19,306,015.40 is: 28,959,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,958,765.80 : 40,438,148.70 = 19,306,015.40 : x
  2. Step 2: Convert to fraction form
    26,958,765.80/40,438,148.70 = 19,306,015.40/x
  3. Step 3: Cross multiply
    26,958,765.80x = 40,438,148.70 × 19,306,015.40
  4. Step 4: Simplify right side
    26,958,765.80x = 780,699,521,549,690
  5. Step 5: Solve for x
    x = 780,699,521,549,690/26,958,765.80
  6. Step 6: Final answer
    x = 28,959,023.10

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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.