Home / 13,783,121.20-19,020,359.61-7,588,106.06

Finding the Fourth Proportional to 13,783,121.20, 19,020,359.61 and 7,588,106.06

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Solution

The fourth proportional to 13,783,121.20, 19,020,359.61 and 7,588,106.06 is: 10,471,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,121.20 : 19,020,359.61 = 7,588,106.06 : x
  2. Step 2: Convert to fraction form
    13,783,121.20/19,020,359.61 = 7,588,106.06/x
  3. Step 3: Cross multiply
    13,783,121.20x = 19,020,359.61 × 7,588,106.06
  4. Step 4: Simplify right side
    13,783,121.20x = 144,328,506,067,571.12
  5. Step 5: Solve for x
    x = 144,328,506,067,571.12/13,783,121.20
  6. Step 6: Final answer
    x = 10,471,394.98

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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.