Home / 13,856,009.04-19,120,993.32-7,660,817.64

Finding the Fourth Proportional to 13,856,009.04, 19,120,993.32 and 7,660,817.64

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Solution

The fourth proportional to 13,856,009.04, 19,120,993.32 and 7,660,817.64 is: 10,571,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,009.04 : 19,120,993.32 = 7,660,817.64 : x
  2. Step 2: Convert to fraction form
    13,856,009.04/19,120,993.32 = 7,660,817.64/x
  3. Step 3: Cross multiply
    13,856,009.04x = 19,120,993.32 × 7,660,817.64
  4. Step 4: Simplify right side
    13,856,009.04x = 146,482,442,920,178.16
  5. Step 5: Solve for x
    x = 146,482,442,920,178.16/13,856,009.04
  6. Step 6: Final answer
    x = 10,571,762.94

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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.