Home / 30,430,018.42-41,997,932.47-19,267,548.94

Finding the Fourth Proportional to 30,430,018.42, 41,997,932.47 and 19,267,548.94

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Solution

The fourth proportional to 30,430,018.42, 41,997,932.47 and 19,267,548.94 is: 26,592,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430,018.42 : 41,997,932.47 = 19,267,548.94 : x
  2. Step 2: Convert to fraction form
    30,430,018.42/41,997,932.47 = 19,267,548.94/x
  3. Step 3: Cross multiply
    30,430,018.42x = 41,997,932.47 × 19,267,548.94
  4. Step 4: Simplify right side
    30,430,018.42x = 809,197,219,244,540.12
  5. Step 5: Solve for x
    x = 809,197,219,244,540.12/30,430,018.42
  6. Step 6: Final answer
    x = 26,592,071.29

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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.