Home / 48,388,999.80-72,583,499.70-12,487,207.80

Finding the Fourth Proportional to 48,388,999.80, 72,583,499.70 and 12,487,207.80

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Solution

The fourth proportional to 48,388,999.80, 72,583,499.70 and 12,487,207.80 is: 18,730,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,999.80 : 72,583,499.70 = 12,487,207.80 : x
  2. Step 2: Convert to fraction form
    48,388,999.80/72,583,499.70 = 12,487,207.80/x
  3. Step 3: Cross multiply
    48,388,999.80x = 72,583,499.70 × 12,487,207.80
  4. Step 4: Simplify right side
    48,388,999.80x = 906,365,243,605,137.75
  5. Step 5: Solve for x
    x = 906,365,243,605,137.75/48,388,999.80
  6. Step 6: Final answer
    x = 18,730,811.70

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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.