Home / 18,403,729.80-27,605,594.70-4,941,918.60

Finding the Fourth Proportional to 18,403,729.80, 27,605,594.70 and 4,941,918.60

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Solution

The fourth proportional to 18,403,729.80, 27,605,594.70 and 4,941,918.60 is: 7,412,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,729.80 : 27,605,594.70 = 4,941,918.60 : x
  2. Step 2: Convert to fraction form
    18,403,729.80/27,605,594.70 = 4,941,918.60/x
  3. Step 3: Cross multiply
    18,403,729.80x = 27,605,594.70 × 4,941,918.60
  4. Step 4: Simplify right side
    18,403,729.80x = 136,424,601,911,991.41
  5. Step 5: Solve for x
    x = 136,424,601,911,991.41/18,403,729.80
  6. Step 6: Final answer
    x = 7,412,877.90

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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.