Home / 30,454,322.73-41,980,471.66-18,671,777.54

Finding the Fourth Proportional to 30,454,322.73, 41,980,471.66 and 18,671,777.54

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Solution

The fourth proportional to 30,454,322.73, 41,980,471.66 and 18,671,777.54 is: 25,738,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454,322.73 : 41,980,471.66 = 18,671,777.54 : x
  2. Step 2: Convert to fraction form
    30,454,322.73/41,980,471.66 = 18,671,777.54/x
  3. Step 3: Cross multiply
    30,454,322.73x = 41,980,471.66 × 18,671,777.54
  4. Step 4: Simplify right side
    30,454,322.73x = 783,850,027,830,658.75
  5. Step 5: Solve for x
    x = 783,850,027,830,658.75/30,454,322.73
  6. Step 6: Final answer
    x = 25,738,547.36

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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.