Home / 22,190,834.09-30,623,464.59-12,401,442.20

Finding the Fourth Proportional to 22,190,834.09, 30,623,464.59 and 12,401,442.20

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Solution

The fourth proportional to 22,190,834.09, 30,623,464.59 and 12,401,442.20 is: 17,114,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190,834.09 : 30,623,464.59 = 12,401,442.20 : x
  2. Step 2: Convert to fraction form
    22,190,834.09/30,623,464.59 = 12,401,442.20/x
  3. Step 3: Cross multiply
    22,190,834.09x = 30,623,464.59 × 12,401,442.20
  4. Step 4: Simplify right side
    22,190,834.09x = 379,775,126,076,631.69
  5. Step 5: Solve for x
    x = 379,775,126,076,631.69/22,190,834.09
  6. Step 6: Final answer
    x = 17,114,053.69

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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.