Home / 29,078,242.80-40,128,246.36-16,025,967.60

Finding the Fourth Proportional to 29,078,242.80, 40,128,246.36 and 16,025,967.60

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Solution

The fourth proportional to 29,078,242.80, 40,128,246.36 and 16,025,967.60 is: 22,115,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078,242.80 : 40,128,246.36 = 16,025,967.60 : x
  2. Step 2: Convert to fraction form
    29,078,242.80/40,128,246.36 = 16,025,967.60/x
  3. Step 3: Cross multiply
    29,078,242.80x = 40,128,246.36 × 16,025,967.60
  4. Step 4: Simplify right side
    29,078,242.80x = 643,093,976,010,177.88
  5. Step 5: Solve for x
    x = 643,093,976,010,177.88/29,078,242.80
  6. Step 6: Final answer
    x = 22,115,984.81

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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.