Home / 8,303,999.40-12,457,967.40-4,261,111.20

Finding the Fourth Proportional to 8,303,999.40, 12,457,967.40 and 4,261,111.20

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Solution

The fourth proportional to 8,303,999.40, 12,457,967.40 and 4,261,111.20 is: 6,392,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,999.40 : 12,457,967.40 = 4,261,111.20 : x
  2. Step 2: Convert to fraction form
    8,303,999.40/12,457,967.40 = 4,261,111.20/x
  3. Step 3: Cross multiply
    8,303,999.40x = 12,457,967.40 × 4,261,111.20
  4. Step 4: Simplify right side
    8,303,999.40x = 53,084,784,417,374.88
  5. Step 5: Solve for x
    x = 53,084,784,417,374.88/8,303,999.40
  6. Step 6: Final answer
    x = 6,392,676.81

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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.