Home / 13,782,205.12-20,686,082.63-6,963,570.65

Finding the Fourth Proportional to 13,782,205.12, 20,686,082.63 and 6,963,570.65

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Solution

The fourth proportional to 13,782,205.12, 20,686,082.63 and 6,963,570.65 is: 10,451,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,205.12 : 20,686,082.63 = 6,963,570.65 : x
  2. Step 2: Convert to fraction form
    13,782,205.12/20,686,082.63 = 6,963,570.65/x
  3. Step 3: Cross multiply
    13,782,205.12x = 20,686,082.63 × 6,963,570.65
  4. Step 4: Simplify right side
    13,782,205.12x = 144,048,997,865,742.81
  5. Step 5: Solve for x
    x = 144,048,997,865,742.81/13,782,205.12
  6. Step 6: Final answer
    x = 10,451,810.62

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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.