Home / 38,216,357.55-52,738,206.30-20,812,993.38

Finding the Fourth Proportional to 38,216,357.55, 52,738,206.30 and 20,812,993.38

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Solution

The fourth proportional to 38,216,357.55, 52,738,206.30 and 20,812,993.38 is: 28,721,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216,357.55 : 52,738,206.30 = 20,812,993.38 : x
  2. Step 2: Convert to fraction form
    38,216,357.55/52,738,206.30 = 20,812,993.38/x
  3. Step 3: Cross multiply
    38,216,357.55x = 52,738,206.30 × 20,812,993.38
  4. Step 4: Simplify right side
    38,216,357.55x = 1,097,639,938,594,974.12
  5. Step 5: Solve for x
    x = 1,097,639,938,594,974.12/38,216,357.55
  6. Step 6: Final answer
    x = 28,721,730.93

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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.