Home / 12,402,561.89-18,603,801.14-3,180,524.16

Finding the Fourth Proportional to 12,402,561.89, 18,603,801.14 and 3,180,524.16

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Solution

The fourth proportional to 12,402,561.89, 18,603,801.14 and 3,180,524.16 is: 4,770,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,561.89 : 18,603,801.14 = 3,180,524.16 : x
  2. Step 2: Convert to fraction form
    12,402,561.89/18,603,801.14 = 3,180,524.16/x
  3. Step 3: Cross multiply
    12,402,561.89x = 18,603,801.14 × 3,180,524.16
  4. Step 4: Simplify right side
    12,402,561.89x = 59,169,838,977,702.93
  5. Step 5: Solve for x
    x = 59,169,838,977,702.93/12,402,561.89
  6. Step 6: Final answer
    x = 4,770,775.55

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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.