Home / 12,480,839.80-18,721,259.70-4,908,052.60

Finding the Fourth Proportional to 12,480,839.80, 18,721,259.70 and 4,908,052.60

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Solution

The fourth proportional to 12,480,839.80, 18,721,259.70 and 4,908,052.60 is: 7,362,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,839.80 : 18,721,259.70 = 4,908,052.60 : x
  2. Step 2: Convert to fraction form
    12,480,839.80/18,721,259.70 = 4,908,052.60/x
  3. Step 3: Cross multiply
    12,480,839.80x = 18,721,259.70 × 4,908,052.60
  4. Step 4: Simplify right side
    12,480,839.80x = 91,884,927,345,860.20
  5. Step 5: Solve for x
    x = 91,884,927,345,860.20/12,480,839.80
  6. Step 6: Final answer
    x = 7,362,078.90

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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.