Home / 21,074,474.96-31,616,224.78-6,303,730.26

Finding the Fourth Proportional to 21,074,474.96, 31,616,224.78 and 6,303,730.26

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Solution

The fourth proportional to 21,074,474.96, 31,616,224.78 and 6,303,730.26 is: 9,456,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,474.96 : 31,616,224.78 = 6,303,730.26 : x
  2. Step 2: Convert to fraction form
    21,074,474.96/31,616,224.78 = 6,303,730.26/x
  3. Step 3: Cross multiply
    21,074,474.96x = 31,616,224.78 × 6,303,730.26
  4. Step 4: Simplify right side
    21,074,474.96x = 199,300,152,852,647.84
  5. Step 5: Solve for x
    x = 199,300,152,852,647.84/21,074,474.96
  6. Step 6: Final answer
    x = 9,456,945.11

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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.