Home / 12,962,965.80-19,432,007.10-10,082,735.40

Finding the Fourth Proportional to 12,962,965.80, 19,432,007.10 and 10,082,735.40

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Solution

The fourth proportional to 12,962,965.80, 19,432,007.10 and 10,082,735.40 is: 15,114,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962,965.80 : 19,432,007.10 = 10,082,735.40 : x
  2. Step 2: Convert to fraction form
    12,962,965.80/19,432,007.10 = 10,082,735.40/x
  3. Step 3: Cross multiply
    12,962,965.80x = 19,432,007.10 × 10,082,735.40
  4. Step 4: Simplify right side
    12,962,965.80x = 195,927,785,880,221.38
  5. Step 5: Solve for x
    x = 195,927,785,880,221.38/12,962,965.80
  6. Step 6: Final answer
    x = 15,114,425.89

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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.