Home / 12,001,038.20-16,561,432.21-6,494,413.23

Finding the Fourth Proportional to 12,001,038.20, 16,561,432.21 and 6,494,413.23

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Solution

The fourth proportional to 12,001,038.20, 16,561,432.21 and 6,494,413.23 is: 8,962,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001,038.20 : 16,561,432.21 = 6,494,413.23 : x
  2. Step 2: Convert to fraction form
    12,001,038.20/16,561,432.21 = 6,494,413.23/x
  3. Step 3: Cross multiply
    12,001,038.20x = 16,561,432.21 × 6,494,413.23
  4. Step 4: Simplify right side
    12,001,038.20x = 107,556,784,374,030.73
  5. Step 5: Solve for x
    x = 107,556,784,374,030.73/12,001,038.20
  6. Step 6: Final answer
    x = 8,962,289.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.