Home / 13,879,965.53-19,154,951.00-7,685,012.38

Finding the Fourth Proportional to 13,879,965.53, 19,154,951.00 and 7,685,012.38

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Solution

The fourth proportional to 13,879,965.53, 19,154,951.00 and 7,685,012.38 is: 10,605,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,965.53 : 19,154,951.00 = 7,685,012.38 : x
  2. Step 2: Convert to fraction form
    13,879,965.53/19,154,951.00 = 7,685,012.38/x
  3. Step 3: Cross multiply
    13,879,965.53x = 19,154,951.00 × 7,685,012.38
  4. Step 4: Simplify right side
    13,879,965.53x = 147,206,035,573,325.50
  5. Step 5: Solve for x
    x = 147,206,035,573,325.50/13,879,965.53
  6. Step 6: Final answer
    x = 10,605,648.50

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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.