Home / 20,230,532.33-27,920,298.18-12,395,244.44

Finding the Fourth Proportional to 20,230,532.33, 27,920,298.18 and 12,395,244.44

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Solution

The fourth proportional to 20,230,532.33, 27,920,298.18 and 12,395,244.44 is: 17,106,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,532.33 : 27,920,298.18 = 12,395,244.44 : x
  2. Step 2: Convert to fraction form
    20,230,532.33/27,920,298.18 = 12,395,244.44/x
  3. Step 3: Cross multiply
    20,230,532.33x = 27,920,298.18 × 12,395,244.44
  4. Step 4: Simplify right side
    20,230,532.33x = 346,078,920,778,787.12
  5. Step 5: Solve for x
    x = 346,078,920,778,787.12/20,230,532.33
  6. Step 6: Final answer
    x = 17,106,762.94

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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.