Home / 5,365,243.08-8,047,866.80-1,321,809.63

Finding the Fourth Proportional to 5,365,243.08, 8,047,866.80 and 1,321,809.63

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Solution

The fourth proportional to 5,365,243.08, 8,047,866.80 and 1,321,809.63 is: 1,982,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365,243.08 : 8,047,866.80 = 1,321,809.63 : x
  2. Step 2: Convert to fraction form
    5,365,243.08/8,047,866.80 = 1,321,809.63/x
  3. Step 3: Cross multiply
    5,365,243.08x = 8,047,866.80 × 1,321,809.63
  4. Step 4: Simplify right side
    5,365,243.08x = 10,637,747,837,197.28
  5. Step 5: Solve for x
    x = 10,637,747,837,197.28/5,365,243.08
  6. Step 6: Final answer
    x = 1,982,714.98

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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.