Home / 11,732,382.66-16,166,413.05-9,431,308.74

Finding the Fourth Proportional to 11,732,382.66, 16,166,413.05 and 9,431,308.74

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Solution

The fourth proportional to 11,732,382.66, 16,166,413.05 and 9,431,308.74 is: 12,995,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732,382.66 : 16,166,413.05 = 9,431,308.74 : x
  2. Step 2: Convert to fraction form
    11,732,382.66/16,166,413.05 = 9,431,308.74/x
  3. Step 3: Cross multiply
    11,732,382.66x = 16,166,413.05 × 9,431,308.74
  4. Step 4: Simplify right side
    11,732,382.66x = 152,470,432,692,915.06
  5. Step 5: Solve for x
    x = 152,470,432,692,915.06/11,732,382.66
  6. Step 6: Final answer
    x = 12,995,692.10

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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.