Home / 12,235,100.34-16,884,871.75-6,728,901.37

Finding the Fourth Proportional to 12,235,100.34, 16,884,871.75 and 6,728,901.37

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Solution

The fourth proportional to 12,235,100.34, 16,884,871.75 and 6,728,901.37 is: 9,286,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,100.34 : 16,884,871.75 = 6,728,901.37 : x
  2. Step 2: Convert to fraction form
    12,235,100.34/16,884,871.75 = 6,728,901.37/x
  3. Step 3: Cross multiply
    12,235,100.34x = 16,884,871.75 × 6,728,901.37
  4. Step 4: Simplify right side
    12,235,100.34x = 113,616,636,712,025.64
  5. Step 5: Solve for x
    x = 113,616,636,712,025.64/12,235,100.34
  6. Step 6: Final answer
    x = 9,286,122.19

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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.