Home / 13,282,078.60-19,923,117.90-10,920,118.60

Finding the Fourth Proportional to 13,282,078.60, 19,923,117.90 and 10,920,118.60

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Solution

The fourth proportional to 13,282,078.60, 19,923,117.90 and 10,920,118.60 is: 16,380,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282,078.60 : 19,923,117.90 = 10,920,118.60 : x
  2. Step 2: Convert to fraction form
    13,282,078.60/19,923,117.90 = 10,920,118.60/x
  3. Step 3: Cross multiply
    13,282,078.60x = 19,923,117.90 × 10,920,118.60
  4. Step 4: Simplify right side
    13,282,078.60x = 217,562,810,349,782.91
  5. Step 5: Solve for x
    x = 217,562,810,349,782.91/13,282,078.60
  6. Step 6: Final answer
    x = 16,380,177.90

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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.