Home / 43,838,920.80-65,762,528.40-11,926,216.80

Finding the Fourth Proportional to 43,838,920.80, 65,762,528.40 and 11,926,216.80

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Solution

The fourth proportional to 43,838,920.80, 65,762,528.40 and 11,926,216.80 is: 17,890,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,838,920.80 : 65,762,528.40 = 11,926,216.80 : x
  2. Step 2: Convert to fraction form
    43,838,920.80/65,762,528.40 = 11,926,216.80/x
  3. Step 3: Cross multiply
    43,838,920.80x = 65,762,528.40 × 11,926,216.80
  4. Step 4: Simplify right side
    43,838,920.80x = 784,298,171,014,557.12
  5. Step 5: Solve for x
    x = 784,298,171,014,557.12/43,838,920.80
  6. Step 6: Final answer
    x = 17,890,453.43

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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.