Home / 12,475,604.72-17,217,334.72-9,918,389.36

Finding the Fourth Proportional to 12,475,604.72, 17,217,334.72 and 9,918,389.36

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Solution

The fourth proportional to 12,475,604.72, 17,217,334.72 and 9,918,389.36 is: 13,688,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,604.72 : 17,217,334.72 = 9,918,389.36 : x
  2. Step 2: Convert to fraction form
    12,475,604.72/17,217,334.72 = 9,918,389.36/x
  3. Step 3: Cross multiply
    12,475,604.72x = 17,217,334.72 × 9,918,389.36
  4. Step 4: Simplify right side
    12,475,604.72x = 170,768,229,494,406.56
  5. Step 5: Solve for x
    x = 170,768,229,494,406.56/12,475,604.72
  6. Step 6: Final answer
    x = 13,688,172.50

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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.