Home / 14,617,470.08-20,171,654.16-8,422,528.52

Finding the Fourth Proportional to 14,617,470.08, 20,171,654.16 and 8,422,528.52

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Solution

The fourth proportional to 14,617,470.08, 20,171,654.16 and 8,422,528.52 is: 11,622,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617,470.08 : 20,171,654.16 = 8,422,528.52 : x
  2. Step 2: Convert to fraction form
    14,617,470.08/20,171,654.16 = 8,422,528.52/x
  3. Step 3: Cross multiply
    14,617,470.08x = 20,171,654.16 × 8,422,528.52
  4. Step 4: Simplify right side
    14,617,470.08x = 169,896,332,458,176.62
  5. Step 5: Solve for x
    x = 169,896,332,458,176.62/14,617,470.08
  6. Step 6: Final answer
    x = 11,622,827.45

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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.