Home / 22,031,907.45-30,403,428.03-12,242,100.30

Finding the Fourth Proportional to 22,031,907.45, 30,403,428.03 and 12,242,100.30

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Solution

The fourth proportional to 22,031,907.45, 30,403,428.03 and 12,242,100.30 is: 16,893,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031,907.45 : 30,403,428.03 = 12,242,100.30 : x
  2. Step 2: Convert to fraction form
    22,031,907.45/30,403,428.03 = 12,242,100.30/x
  3. Step 3: Cross multiply
    22,031,907.45x = 30,403,428.03 × 12,242,100.30
  4. Step 4: Simplify right side
    22,031,907.45x = 372,201,815,407,091.44
  5. Step 5: Solve for x
    x = 372,201,815,407,091.44/22,031,907.45
  6. Step 6: Final answer
    x = 16,893,762.66

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1.5x scale

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.