Home / 13,556,464.95-18,701,004.15-8,656,535.19

Finding the Fourth Proportional to 13,556,464.95, 18,701,004.15 and 8,656,535.19

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Solution

The fourth proportional to 13,556,464.95, 18,701,004.15 and 8,656,535.19 is: 11,941,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,464.95 : 18,701,004.15 = 8,656,535.19 : x
  2. Step 2: Convert to fraction form
    13,556,464.95/18,701,004.15 = 8,656,535.19/x
  3. Step 3: Cross multiply
    13,556,464.95x = 18,701,004.15 × 8,656,535.19
  4. Step 4: Simplify right side
    13,556,464.95x = 161,885,900,512,811.03
  5. Step 5: Solve for x
    x = 161,885,900,512,811.03/13,556,464.95
  6. Step 6: Final answer
    x = 11,941,601.38

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Double scale
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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.