Home / 28,980,002.40-43,470,003.60-21,752,404.80

Finding the Fourth Proportional to 28,980,002.40, 43,470,003.60 and 21,752,404.80

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Solution

The fourth proportional to 28,980,002.40, 43,470,003.60 and 21,752,404.80 is: 32,628,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980,002.40 : 43,470,003.60 = 21,752,404.80 : x
  2. Step 2: Convert to fraction form
    28,980,002.40/43,470,003.60 = 21,752,404.80/x
  3. Step 3: Cross multiply
    28,980,002.40x = 43,470,003.60 × 21,752,404.80
  4. Step 4: Simplify right side
    28,980,002.40x = 945,577,114,964,657.38
  5. Step 5: Solve for x
    x = 945,577,114,964,657.38/28,980,002.40
  6. Step 6: Final answer
    x = 32,628,607.20

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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.