Home / 30,220,488.55-41,711,005.38-19,205,090.38

Finding the Fourth Proportional to 30,220,488.55, 41,711,005.38 and 19,205,090.38

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Solution

The fourth proportional to 30,220,488.55, 41,711,005.38 and 19,205,090.38 is: 26,507,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220,488.55 : 41,711,005.38 = 19,205,090.38 : x
  2. Step 2: Convert to fraction form
    30,220,488.55/41,711,005.38 = 19,205,090.38/x
  3. Step 3: Cross multiply
    30,220,488.55x = 41,711,005.38 × 19,205,090.38
  4. Step 4: Simplify right side
    30,220,488.55x = 801,063,628,163,566.25
  5. Step 5: Solve for x
    x = 801,063,628,163,566.25/30,220,488.55
  6. Step 6: Final answer
    x = 26,507,302.38

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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.