Home / 30,930,699.88-46,436,598-20,741,154.15

Finding the Fourth Proportional to 30,930,699.88, 46,436,598 and 20,741,154.15

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Solution

The fourth proportional to 30,930,699.88, 46,436,598 and 20,741,154.15 is: 31,138,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930,699.88 : 46,436,598 = 20,741,154.15 : x
  2. Step 2: Convert to fraction form
    30,930,699.88/46,436,598 = 20,741,154.15/x
  3. Step 3: Cross multiply
    30,930,699.88x = 46,436,598 × 20,741,154.15
  4. Step 4: Simplify right side
    30,930,699.88x = 963,148,637,319,581.62
  5. Step 5: Solve for x
    x = 963,148,637,319,581.62/30,930,699.88
  6. Step 6: Final answer
    x = 31,138,921.56

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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.