Home / 21,008,426.96-28,991,850.64-11,841,069.71

Finding the Fourth Proportional to 21,008,426.96, 28,991,850.64 and 11,841,069.71

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Solution

The fourth proportional to 21,008,426.96, 28,991,850.64 and 11,841,069.71 is: 16,340,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,426.96 : 28,991,850.64 = 11,841,069.71 : x
  2. Step 2: Convert to fraction form
    21,008,426.96/28,991,850.64 = 11,841,069.71/x
  3. Step 3: Cross multiply
    21,008,426.96x = 28,991,850.64 × 11,841,069.71
  4. Step 4: Simplify right side
    21,008,426.96x = 343,294,524,275,586.19
  5. Step 5: Solve for x
    x = 343,294,524,275,586.19/21,008,426.96
  6. Step 6: Final answer
    x = 16,340,801.00

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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.