Home / 31,243,511-46,872,748.92-13,037,578.61

Finding the Fourth Proportional to 31,243,511, 46,872,748.92 and 13,037,578.61

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Solution

The fourth proportional to 31,243,511, 46,872,748.92 and 13,037,578.61 is: 19,559,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243,511 : 46,872,748.92 = 13,037,578.61 : x
  2. Step 2: Convert to fraction form
    31,243,511/46,872,748.92 = 13,037,578.61/x
  3. Step 3: Cross multiply
    31,243,511x = 46,872,748.92 × 13,037,578.61
  4. Step 4: Simplify right side
    31,243,511x = 611,107,148,711,292.62
  5. Step 5: Solve for x
    x = 611,107,148,711,292.62/31,243,511
  6. Step 6: Final answer
    x = 19,559,490.25

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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.