Home / 22,122,904.32-33,196,253.80-21,317,665.50

Finding the Fourth Proportional to 22,122,904.32, 33,196,253.80 and 21,317,665.50

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Solution

The fourth proportional to 22,122,904.32, 33,196,253.80 and 21,317,665.50 is: 31,987,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122,904.32 : 33,196,253.80 = 21,317,665.50 : x
  2. Step 2: Convert to fraction form
    22,122,904.32/33,196,253.80 = 21,317,665.50/x
  3. Step 3: Cross multiply
    22,122,904.32x = 33,196,253.80 × 21,317,665.50
  4. Step 4: Simplify right side
    22,122,904.32x = 707,666,634,361,503.88
  5. Step 5: Solve for x
    x = 707,666,634,361,503.88/22,122,904.32
  6. Step 6: Final answer
    x = 31,987,962.53

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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.