Home / 38,539,509-57,786,178.05-12,266,997.36

Finding the Fourth Proportional to 38,539,509, 57,786,178.05 and 12,266,997.36

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Solution

The fourth proportional to 38,539,509, 57,786,178.05 and 12,266,997.36 is: 18,393,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539,509 : 57,786,178.05 = 12,266,997.36 : x
  2. Step 2: Convert to fraction form
    38,539,509/57,786,178.05 = 12,266,997.36/x
  3. Step 3: Cross multiply
    38,539,509x = 57,786,178.05 × 12,266,997.36
  4. Step 4: Simplify right side
    38,539,509x = 708,862,893,583,839.88
  5. Step 5: Solve for x
    x = 708,862,893,583,839.88/38,539,509
  6. Step 6: Final answer
    x = 18,393,148.02

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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.