Home / 13,210,082.10-18,222,171.21-8,307,527.94

Finding the Fourth Proportional to 13,210,082.10, 18,222,171.21 and 8,307,527.94

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Solution

The fourth proportional to 13,210,082.10, 18,222,171.21 and 8,307,527.94 is: 11,459,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,082.10 : 18,222,171.21 = 8,307,527.94 : x
  2. Step 2: Convert to fraction form
    13,210,082.10/18,222,171.21 = 8,307,527.94/x
  3. Step 3: Cross multiply
    13,210,082.10x = 18,222,171.21 × 8,307,527.94
  4. Step 4: Simplify right side
    13,210,082.10x = 151,381,196,454,538.62
  5. Step 5: Solve for x
    x = 151,381,196,454,538.62/13,210,082.10
  6. Step 6: Final answer
    x = 11,459,519.73

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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.