Home / 12,242,917.60-18,371,374.80-4,675,314.40

Finding the Fourth Proportional to 12,242,917.60, 18,371,374.80 and 4,675,314.40

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Solution

The fourth proportional to 12,242,917.60, 18,371,374.80 and 4,675,314.40 is: 7,015,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242,917.60 : 18,371,374.80 = 4,675,314.40 : x
  2. Step 2: Convert to fraction form
    12,242,917.60/18,371,374.80 = 4,675,314.40/x
  3. Step 3: Cross multiply
    12,242,917.60x = 18,371,374.80 × 4,675,314.40
  4. Step 4: Simplify right side
    12,242,917.60x = 85,891,953,150,237.12
  5. Step 5: Solve for x
    x = 85,891,953,150,237.12/12,242,917.60
  6. Step 6: Final answer
    x = 7,015,644.14

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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.