Home / 12,460,065.80-18,679,601.10-6,476,433.80

Finding the Fourth Proportional to 12,460,065.80, 18,679,601.10 and 6,476,433.80

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Solution

The fourth proportional to 12,460,065.80, 18,679,601.10 and 6,476,433.80 is: 9,709,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460,065.80 : 18,679,601.10 = 6,476,433.80 : x
  2. Step 2: Convert to fraction form
    12,460,065.80/18,679,601.10 = 6,476,433.80/x
  3. Step 3: Cross multiply
    12,460,065.80x = 18,679,601.10 × 6,476,433.80
  4. Step 4: Simplify right side
    12,460,065.80x = 120,977,199,934,557.19
  5. Step 5: Solve for x
    x = 120,977,199,934,557.19/12,460,065.80
  6. Step 6: Final answer
    x = 9,709,194.31

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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.