Home / 30,232,065.74-41,707,081.91-19,212,909.98

Finding the Fourth Proportional to 30,232,065.74, 41,707,081.91 and 19,212,909.98

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Solution

The fourth proportional to 30,232,065.74, 41,707,081.91 and 19,212,909.98 is: 26,505,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232,065.74 : 41,707,081.91 = 19,212,909.98 : x
  2. Step 2: Convert to fraction form
    30,232,065.74/41,707,081.91 = 19,212,909.98/x
  3. Step 3: Cross multiply
    30,232,065.74x = 41,707,081.91 × 19,212,909.98
  4. Step 4: Simplify right side
    30,232,065.74x = 801,314,410,104,813.38
  5. Step 5: Solve for x
    x = 801,314,410,104,813.38/30,232,065.74
  6. Step 6: Final answer
    x = 26,505,446.80

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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.