Home / 15,409,014.69-21,230,201.32-10,172,697

Finding the Fourth Proportional to 15,409,014.69, 21,230,201.32 and 10,172,697

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Solution

The fourth proportional to 15,409,014.69, 21,230,201.32 and 10,172,697 is: 14,015,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409,014.69 : 21,230,201.32 = 10,172,697 : x
  2. Step 2: Convert to fraction form
    15,409,014.69/21,230,201.32 = 10,172,697/x
  3. Step 3: Cross multiply
    15,409,014.69x = 21,230,201.32 × 10,172,697
  4. Step 4: Simplify right side
    15,409,014.69x = 215,968,405,277,360.03
  5. Step 5: Solve for x
    x = 215,968,405,277,360.03/15,409,014.69
  6. Step 6: Final answer
    x = 14,015,718.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.