Home / 30,599,004.20-42,227,662.16-16,660,899.86

Finding the Fourth Proportional to 30,599,004.20, 42,227,662.16 and 16,660,899.86

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Solution

The fourth proportional to 30,599,004.20, 42,227,662.16 and 16,660,899.86 is: 22,992,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599,004.20 : 42,227,662.16 = 16,660,899.86 : x
  2. Step 2: Convert to fraction form
    30,599,004.20/42,227,662.16 = 16,660,899.86/x
  3. Step 3: Cross multiply
    30,599,004.20x = 42,227,662.16 × 16,660,899.86
  4. Step 4: Simplify right side
    30,599,004.20x = 703,550,850,578,301.50
  5. Step 5: Solve for x
    x = 703,550,850,578,301.50/30,599,004.20
  6. Step 6: Final answer
    x = 22,992,606.10

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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.