Home / 12,095,413.20-18,143,119.80-9,072,104.40

Finding the Fourth Proportional to 12,095,413.20, 18,143,119.80 and 9,072,104.40

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Solution

The fourth proportional to 12,095,413.20, 18,143,119.80 and 9,072,104.40 is: 13,608,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095,413.20 : 18,143,119.80 = 9,072,104.40 : x
  2. Step 2: Convert to fraction form
    12,095,413.20/18,143,119.80 = 9,072,104.40/x
  3. Step 3: Cross multiply
    12,095,413.20x = 18,143,119.80 × 9,072,104.40
  4. Step 4: Simplify right side
    12,095,413.20x = 164,596,276,967,307.12
  5. Step 5: Solve for x
    x = 164,596,276,967,307.12/12,095,413.20
  6. Step 6: Final answer
    x = 13,608,156.60

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Similar ratio
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1.5x scale

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.