Home / 12,069,364.80-18,104,047.20-10,510,471.20

Finding the Fourth Proportional to 12,069,364.80, 18,104,047.20 and 10,510,471.20

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Solution

The fourth proportional to 12,069,364.80, 18,104,047.20 and 10,510,471.20 is: 15,765,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,364.80 : 18,104,047.20 = 10,510,471.20 : x
  2. Step 2: Convert to fraction form
    12,069,364.80/18,104,047.20 = 10,510,471.20/x
  3. Step 3: Cross multiply
    12,069,364.80x = 18,104,047.20 × 10,510,471.20
  4. Step 4: Simplify right side
    12,069,364.80x = 190,282,066,699,040.62
  5. Step 5: Solve for x
    x = 190,282,066,699,040.62/12,069,364.80
  6. Step 6: Final answer
    x = 15,765,706.80

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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.