Home / 16,803,971.20-25,149,969.60-15,460,278.40

Finding the Fourth Proportional to 16,803,971.20, 25,149,969.60 and 15,460,278.40

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Solution

The fourth proportional to 16,803,971.20, 25,149,969.60 and 15,460,278.40 is: 23,138,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803,971.20 : 25,149,969.60 = 15,460,278.40 : x
  2. Step 2: Convert to fraction form
    16,803,971.20/25,149,969.60 = 15,460,278.40/x
  3. Step 3: Cross multiply
    16,803,971.20x = 25,149,969.60 × 15,460,278.40
  4. Step 4: Simplify right side
    16,803,971.20x = 388,825,531,767,536.69
  5. Step 5: Solve for x
    x = 388,825,531,767,536.69/16,803,971.20
  6. Step 6: Final answer
    x = 23,138,907.29

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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.