Home / 30,767,295.07-42,471,940.71-19,170,588.25

Finding the Fourth Proportional to 30,767,295.07, 42,471,940.71 and 19,170,588.25

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Solution

The fourth proportional to 30,767,295.07, 42,471,940.71 and 19,170,588.25 is: 26,463,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,295.07 : 42,471,940.71 = 19,170,588.25 : x
  2. Step 2: Convert to fraction form
    30,767,295.07/42,471,940.71 = 19,170,588.25/x
  3. Step 3: Cross multiply
    30,767,295.07x = 42,471,940.71 × 19,170,588.25
  4. Step 4: Simplify right side
    30,767,295.07x = 814,212,087,529,822.62
  5. Step 5: Solve for x
    x = 814,212,087,529,822.62/30,767,295.07
  6. Step 6: Final answer
    x = 26,463,557.67

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Double scale
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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.