Home / 15,651,856.80-23,477,785.20-13,856,767.20

Finding the Fourth Proportional to 15,651,856.80, 23,477,785.20 and 13,856,767.20

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Solution

The fourth proportional to 15,651,856.80, 23,477,785.20 and 13,856,767.20 is: 20,785,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651,856.80 : 23,477,785.20 = 13,856,767.20 : x
  2. Step 2: Convert to fraction form
    15,651,856.80/23,477,785.20 = 13,856,767.20/x
  3. Step 3: Cross multiply
    15,651,856.80x = 23,477,785.20 × 13,856,767.20
  4. Step 4: Simplify right side
    15,651,856.80x = 325,326,203,888,005.44
  5. Step 5: Solve for x
    x = 325,326,203,888,005.44/15,651,856.80
  6. Step 6: Final answer
    x = 20,785,150.80

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1.5x scale

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.