Home / 11,112,605.20-16,668,907.80-6,838,915.60

Finding the Fourth Proportional to 11,112,605.20, 16,668,907.80 and 6,838,915.60

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Solution

The fourth proportional to 11,112,605.20, 16,668,907.80 and 6,838,915.60 is: 10,258,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112,605.20 : 16,668,907.80 = 6,838,915.60 : x
  2. Step 2: Convert to fraction form
    11,112,605.20/16,668,907.80 = 6,838,915.60/x
  3. Step 3: Cross multiply
    11,112,605.20x = 16,668,907.80 × 6,838,915.60
  4. Step 4: Simplify right side
    11,112,605.20x = 113,997,253,588,381.67
  5. Step 5: Solve for x
    x = 113,997,253,588,381.67/11,112,605.20
  6. Step 6: Final answer
    x = 10,258,373.40

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1.5x scale

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.