Home / 30,430,007.40-41,997,917.29-19,267,537.94

Finding the Fourth Proportional to 30,430,007.40, 41,997,917.29 and 19,267,537.94

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Solution

The fourth proportional to 30,430,007.40, 41,997,917.29 and 19,267,537.94 is: 26,592,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430,007.40 : 41,997,917.29 = 19,267,537.94 : x
  2. Step 2: Convert to fraction form
    30,430,007.40/41,997,917.29 = 19,267,537.94/x
  3. Step 3: Cross multiply
    30,430,007.40x = 41,997,917.29 × 19,267,537.94
  4. Step 4: Simplify right side
    30,430,007.40x = 809,196,464,576,067.38
  5. Step 5: Solve for x
    x = 809,196,464,576,067.38/30,430,007.40
  6. Step 6: Final answer
    x = 26,592,056.12

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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.