Home / 30,767,311.38-42,471,963.18-19,170,604.50

Finding the Fourth Proportional to 30,767,311.38, 42,471,963.18 and 19,170,604.50

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Solution

The fourth proportional to 30,767,311.38, 42,471,963.18 and 19,170,604.50 is: 26,463,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,311.38 : 42,471,963.18 = 19,170,604.50 : x
  2. Step 2: Convert to fraction form
    30,767,311.38/42,471,963.18 = 19,170,604.50/x
  3. Step 3: Cross multiply
    30,767,311.38x = 42,471,963.18 × 19,170,604.50
  4. Step 4: Simplify right side
    30,767,311.38x = 814,213,208,462,342.25
  5. Step 5: Solve for x
    x = 814,213,208,462,342.25/30,767,311.38
  6. Step 6: Final answer
    x = 26,463,580.08

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1.5x scale

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.