Home / 20,050,275.20-30,075,412.80-7,271,196.80

Finding the Fourth Proportional to 20,050,275.20, 30,075,412.80 and 7,271,196.80

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Solution

The fourth proportional to 20,050,275.20, 30,075,412.80 and 7,271,196.80 is: 10,906,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050,275.20 : 30,075,412.80 = 7,271,196.80 : x
  2. Step 2: Convert to fraction form
    20,050,275.20/30,075,412.80 = 7,271,196.80/x
  3. Step 3: Cross multiply
    20,050,275.20x = 30,075,412.80 × 7,271,196.80
  4. Step 4: Simplify right side
    20,050,275.20x = 218,684,245,310,039.03
  5. Step 5: Solve for x
    x = 218,684,245,310,039.03/20,050,275.20
  6. Step 6: Final answer
    x = 10,906,795.20

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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.