Home / 30,138,910.56-45,204,107.40-9,665,969.40

Finding the Fourth Proportional to 30,138,910.56, 45,204,107.40 and 9,665,969.40

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Solution

The fourth proportional to 30,138,910.56, 45,204,107.40 and 9,665,969.40 is: 14,497,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138,910.56 : 45,204,107.40 = 9,665,969.40 : x
  2. Step 2: Convert to fraction form
    30,138,910.56/45,204,107.40 = 9,665,969.40/x
  3. Step 3: Cross multiply
    30,138,910.56x = 45,204,107.40 × 9,665,969.40
  4. Step 4: Simplify right side
    30,138,910.56x = 436,941,518,882,713.56
  5. Step 5: Solve for x
    x = 436,941,518,882,713.56/30,138,910.56
  6. Step 6: Final answer
    x = 14,497,588.36

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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.