Home / 30,276,975.10-45,422,417.32-8,711,755.42

Finding the Fourth Proportional to 30,276,975.10, 45,422,417.32 and 8,711,755.42

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Solution

The fourth proportional to 30,276,975.10, 45,422,417.32 and 8,711,755.42 is: 13,069,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,975.10 : 45,422,417.32 = 8,711,755.42 : x
  2. Step 2: Convert to fraction form
    30,276,975.10/45,422,417.32 = 8,711,755.42/x
  3. Step 3: Cross multiply
    30,276,975.10x = 45,422,417.32 × 8,711,755.42
  4. Step 4: Simplify right side
    30,276,975.10x = 395,708,990,277,011.88
  5. Step 5: Solve for x
    x = 395,708,990,277,011.88/30,276,975.10
  6. Step 6: Final answer
    x = 13,069,634.23

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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.