Home / 30,642,933.70-42,285,720.24-17,410,362.76

Finding the Fourth Proportional to 30,642,933.70, 42,285,720.24 and 17,410,362.76

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Solution

The fourth proportional to 30,642,933.70, 42,285,720.24 and 17,410,362.76 is: 24,025,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,642,933.70 : 42,285,720.24 = 17,410,362.76 : x
  2. Step 2: Convert to fraction form
    30,642,933.70/42,285,720.24 = 17,410,362.76/x
  3. Step 3: Cross multiply
    30,642,933.70x = 42,285,720.24 × 17,410,362.76
  4. Step 4: Simplify right side
    30,642,933.70x = 736,209,728,946,274.38
  5. Step 5: Solve for x
    x = 736,209,728,946,274.38/30,642,933.70
  6. Step 6: Final answer
    x = 24,025,432.30

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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.