Home / 26,958,829.80-40,438,244.70-19,306,079.40

Finding the Fourth Proportional to 26,958,829.80, 40,438,244.70 and 19,306,079.40

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Solution

The fourth proportional to 26,958,829.80, 40,438,244.70 and 19,306,079.40 is: 28,959,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,958,829.80 : 40,438,244.70 = 19,306,079.40 : x
  2. Step 2: Convert to fraction form
    26,958,829.80/40,438,244.70 = 19,306,079.40/x
  3. Step 3: Cross multiply
    26,958,829.80x = 40,438,244.70 × 19,306,079.40
  4. Step 4: Simplify right side
    26,958,829.80x = 780,703,962,974,829.12
  5. Step 5: Solve for x
    x = 780,703,962,974,829.12/26,958,829.80
  6. Step 6: Final answer
    x = 28,959,119.10

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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.