Home / 8,090,783.60-12,128,010.60-4,041,042.80

Finding the Fourth Proportional to 8,090,783.60, 12,128,010.60 and 4,041,042.80

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Solution

The fourth proportional to 8,090,783.60, 12,128,010.60 and 4,041,042.80 is: 6,057,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090,783.60 : 12,128,010.60 = 4,041,042.80 : x
  2. Step 2: Convert to fraction form
    8,090,783.60/12,128,010.60 = 4,041,042.80/x
  3. Step 3: Cross multiply
    8,090,783.60x = 12,128,010.60 × 4,041,042.80
  4. Step 4: Simplify right side
    8,090,783.60x = 49,009,809,913,453.68
  5. Step 5: Solve for x
    x = 49,009,809,913,453.68/8,090,783.60
  6. Step 6: Final answer
    x = 6,057,486.19

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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.