Home / 36,210,357.81-49,968,772.56-20,530,437.08

Finding the Fourth Proportional to 36,210,357.81, 49,968,772.56 and 20,530,437.08

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Solution

The fourth proportional to 36,210,357.81, 49,968,772.56 and 20,530,437.08 is: 28,331,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210,357.81 : 49,968,772.56 = 20,530,437.08 : x
  2. Step 2: Convert to fraction form
    36,210,357.81/49,968,772.56 = 20,530,437.08/x
  3. Step 3: Cross multiply
    36,210,357.81x = 49,968,772.56 × 20,530,437.08
  4. Step 4: Simplify right side
    36,210,357.81x = 1,025,880,740,758,066.62
  5. Step 5: Solve for x
    x = 1,025,880,740,758,066.62/36,210,357.81
  6. Step 6: Final answer
    x = 28,331,140.67

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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.