Home / 14,448,990.72-19,939,838.40-7,923,216

Finding the Fourth Proportional to 14,448,990.72, 19,939,838.40 and 7,923,216

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Solution

The fourth proportional to 14,448,990.72, 19,939,838.40 and 7,923,216 is: 10,934,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448,990.72 : 19,939,838.40 = 7,923,216 : x
  2. Step 2: Convert to fraction form
    14,448,990.72/19,939,838.40 = 7,923,216/x
  3. Step 3: Cross multiply
    14,448,990.72x = 19,939,838.40 × 7,923,216
  4. Step 4: Simplify right side
    14,448,990.72x = 157,987,646,648,294.38
  5. Step 5: Solve for x
    x = 157,987,646,648,294.38/14,448,990.72
  6. Step 6: Final answer
    x = 10,934,164.86

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1.5x scale

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.