Home / 12,646,828.96-18,973,664.80-4,560,702.56

Finding the Fourth Proportional to 12,646,828.96, 18,973,664.80 and 4,560,702.56

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Solution

The fourth proportional to 12,646,828.96, 18,973,664.80 and 4,560,702.56 is: 6,842,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646,828.96 : 18,973,664.80 = 4,560,702.56 : x
  2. Step 2: Convert to fraction form
    12,646,828.96/18,973,664.80 = 4,560,702.56/x
  3. Step 3: Cross multiply
    12,646,828.96x = 18,973,664.80 × 4,560,702.56
  4. Step 4: Simplify right side
    12,646,828.96x = 86,533,241,625,941.89
  5. Step 5: Solve for x
    x = 86,533,241,625,941.89/12,646,828.96
  6. Step 6: Final answer
    x = 6,842,287.65

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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.