Home / 30,019,398.78-41,426,805.73-16,268,362.90

Finding the Fourth Proportional to 30,019,398.78, 41,426,805.73 and 16,268,362.90

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Solution

The fourth proportional to 30,019,398.78, 41,426,805.73 and 16,268,362.90 is: 22,450,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019,398.78 : 41,426,805.73 = 16,268,362.90 : x
  2. Step 2: Convert to fraction form
    30,019,398.78/41,426,805.73 = 16,268,362.90/x
  3. Step 3: Cross multiply
    30,019,398.78x = 41,426,805.73 × 16,268,362.90
  4. Step 4: Simplify right side
    30,019,398.78x = 673,946,309,403,439.38
  5. Step 5: Solve for x
    x = 673,946,309,403,439.38/30,019,398.78
  6. Step 6: Final answer
    x = 22,450,359.99

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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.