Home / 18,696,082.44-28,047,759.55-7,180,707.32

Finding the Fourth Proportional to 18,696,082.44, 28,047,759.55 and 7,180,707.32

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Solution

The fourth proportional to 18,696,082.44, 28,047,759.55 and 7,180,707.32 is: 10,772,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,082.44 : 28,047,759.55 = 7,180,707.32 : x
  2. Step 2: Convert to fraction form
    18,696,082.44/28,047,759.55 = 7,180,707.32/x
  3. Step 3: Cross multiply
    18,696,082.44x = 28,047,759.55 × 7,180,707.32
  4. Step 4: Simplify right side
    18,696,082.44x = 201,402,752,134,142.59
  5. Step 5: Solve for x
    x = 201,402,752,134,142.59/18,696,082.44
  6. Step 6: Final answer
    x = 10,772,457.43

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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.