Home / 31,081,409.20-46,622,113.80-19,744,001.20

Finding the Fourth Proportional to 31,081,409.20, 46,622,113.80 and 19,744,001.20

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Solution

The fourth proportional to 31,081,409.20, 46,622,113.80 and 19,744,001.20 is: 29,616,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,081,409.20 : 46,622,113.80 = 19,744,001.20 : x
  2. Step 2: Convert to fraction form
    31,081,409.20/46,622,113.80 = 19,744,001.20/x
  3. Step 3: Cross multiply
    31,081,409.20x = 46,622,113.80 × 19,744,001.20
  4. Step 4: Simplify right side
    31,081,409.20x = 920,507,070,813,736.50
  5. Step 5: Solve for x
    x = 920,507,070,813,736.50/31,081,409.20
  6. Step 6: Final answer
    x = 29,616,001.80

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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.