Home / 34,246,015.28-47,261,431.80-20,315,618

Finding the Fourth Proportional to 34,246,015.28, 47,261,431.80 and 20,315,618

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Solution

The fourth proportional to 34,246,015.28, 47,261,431.80 and 20,315,618 is: 28,036,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,246,015.28 : 47,261,431.80 = 20,315,618 : x
  2. Step 2: Convert to fraction form
    34,246,015.28/47,261,431.80 = 20,315,618/x
  3. Step 3: Cross multiply
    34,246,015.28x = 47,261,431.80 × 20,315,618
  4. Step 4: Simplify right side
    34,246,015.28x = 960,145,194,581,852.38
  5. Step 5: Solve for x
    x = 960,145,194,581,852.38/34,246,015.28
  6. Step 6: Final answer
    x = 28,036,698.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.