Home / 39,171,420.80-58,766,462.40-18,960,041.60

Finding the Fourth Proportional to 39,171,420.80, 58,766,462.40 and 18,960,041.60

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Solution

The fourth proportional to 39,171,420.80, 58,766,462.40 and 18,960,041.60 is: 28,444,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171,420.80 : 58,766,462.40 = 18,960,041.60 : x
  2. Step 2: Convert to fraction form
    39,171,420.80/58,766,462.40 = 18,960,041.60/x
  3. Step 3: Cross multiply
    39,171,420.80x = 58,766,462.40 × 18,960,041.60
  4. Step 4: Simplify right side
    39,171,420.80x = 1,114,214,571,788,835.88
  5. Step 5: Solve for x
    x = 1,114,214,571,788,835.88/39,171,420.80
  6. Step 6: Final answer
    x = 28,444,578.96

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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.