Home / 14,239,021.83-19,649,850.87-7,712,653.60

Finding the Fourth Proportional to 14,239,021.83, 19,649,850.87 and 7,712,653.60

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Solution

The fourth proportional to 14,239,021.83, 19,649,850.87 and 7,712,653.60 is: 10,643,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239,021.83 : 19,649,850.87 = 7,712,653.60 : x
  2. Step 2: Convert to fraction form
    14,239,021.83/19,649,850.87 = 7,712,653.60/x
  3. Step 3: Cross multiply
    14,239,021.83x = 19,649,850.87 × 7,712,653.60
  4. Step 4: Simplify right side
    14,239,021.83x = 151,552,493,051,968.62
  5. Step 5: Solve for x
    x = 151,552,493,051,968.62/14,239,021.83
  6. Step 6: Final answer
    x = 10,643,462.37

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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.