Home / 22,296,108.52-30,768,608.10-12,638,316.52

Finding the Fourth Proportional to 22,296,108.52, 30,768,608.10 and 12,638,316.52

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Solution

The fourth proportional to 22,296,108.52, 30,768,608.10 and 12,638,316.52 is: 17,440,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296,108.52 : 30,768,608.10 = 12,638,316.52 : x
  2. Step 2: Convert to fraction form
    22,296,108.52/30,768,608.10 = 12,638,316.52/x
  3. Step 3: Cross multiply
    22,296,108.52x = 30,768,608.10 × 12,638,316.52
  4. Step 4: Simplify right side
    22,296,108.52x = 388,863,408,047,635.81
  5. Step 5: Solve for x
    x = 388,863,408,047,635.81/22,296,108.52
  6. Step 6: Final answer
    x = 17,440,864.52

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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.