Home / 30,276,940.73-45,422,365.75-8,711,721.05

Finding the Fourth Proportional to 30,276,940.73, 45,422,365.75 and 8,711,721.05

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Solution

The fourth proportional to 30,276,940.73, 45,422,365.75 and 8,711,721.05 is: 13,069,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,940.73 : 45,422,365.75 = 8,711,721.05 : x
  2. Step 2: Convert to fraction form
    30,276,940.73/45,422,365.75 = 8,711,721.05/x
  3. Step 3: Cross multiply
    30,276,940.73x = 45,422,365.75 × 8,711,721.05
  4. Step 4: Simplify right side
    30,276,940.73x = 395,706,979,596,182.94
  5. Step 5: Solve for x
    x = 395,706,979,596,182.94/30,276,940.73
  6. Step 6: Final answer
    x = 13,069,582.66

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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.