Home / 44,486,413.60-66,729,620.40-18,928,256.80

Finding the Fourth Proportional to 44,486,413.60, 66,729,620.40 and 18,928,256.80

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Solution

The fourth proportional to 44,486,413.60, 66,729,620.40 and 18,928,256.80 is: 28,392,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,486,413.60 : 66,729,620.40 = 18,928,256.80 : x
  2. Step 2: Convert to fraction form
    44,486,413.60/66,729,620.40 = 18,928,256.80/x
  3. Step 3: Cross multiply
    44,486,413.60x = 66,729,620.40 × 18,928,256.80
  4. Step 4: Simplify right side
    44,486,413.60x = 1,263,075,391,097,718.75
  5. Step 5: Solve for x
    x = 1,263,075,391,097,718.75/44,486,413.60
  6. Step 6: Final answer
    x = 28,392,385.20

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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.