Home / 31,243,512-46,872,750.42-13,037,579.62

Finding the Fourth Proportional to 31,243,512, 46,872,750.42 and 13,037,579.62

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Solution

The fourth proportional to 31,243,512, 46,872,750.42 and 13,037,579.62 is: 19,559,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243,512 : 46,872,750.42 = 13,037,579.62 : x
  2. Step 2: Convert to fraction form
    31,243,512/46,872,750.42 = 13,037,579.62/x
  3. Step 3: Cross multiply
    31,243,512x = 46,872,750.42 × 13,037,579.62
  4. Step 4: Simplify right side
    31,243,512x = 611,107,215,609,138.38
  5. Step 5: Solve for x
    x = 611,107,215,609,138.38/31,243,512
  6. Step 6: Final answer
    x = 19,559,491.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.