Home / 30,987,436.14-46,486,828.26-12,781,699.56

Finding the Fourth Proportional to 30,987,436.14, 46,486,828.26 and 12,781,699.56

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Solution

The fourth proportional to 30,987,436.14, 46,486,828.26 and 12,781,699.56 is: 19,174,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987,436.14 : 46,486,828.26 = 12,781,699.56 : x
  2. Step 2: Convert to fraction form
    30,987,436.14/46,486,828.26 = 12,781,699.56/x
  3. Step 3: Cross multiply
    30,987,436.14x = 46,486,828.26 × 12,781,699.56
  4. Step 4: Simplify right side
    30,987,436.14x = 594,180,672,316,637.62
  5. Step 5: Solve for x
    x = 594,180,672,316,637.62/30,987,436.14
  6. Step 6: Final answer
    x = 19,174,889.77

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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.