Home / 30,721,859.20-46,082,788.80-27,639,501.40

Finding the Fourth Proportional to 30,721,859.20, 46,082,788.80 and 27,639,501.40

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Solution

The fourth proportional to 30,721,859.20, 46,082,788.80 and 27,639,501.40 is: 41,459,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721,859.20 : 46,082,788.80 = 27,639,501.40 : x
  2. Step 2: Convert to fraction form
    30,721,859.20/46,082,788.80 = 27,639,501.40/x
  3. Step 3: Cross multiply
    30,721,859.20x = 46,082,788.80 × 27,639,501.40
  4. Step 4: Simplify right side
    30,721,859.20x = 1,273,705,305,553,504.25
  5. Step 5: Solve for x
    x = 1,273,705,305,553,504.25/30,721,859.20
  6. Step 6: Final answer
    x = 41,459,252.10

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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.