Home / 9,464,139.40-14,196,209.10-6,440,830.60

Finding the Fourth Proportional to 9,464,139.40, 14,196,209.10 and 6,440,830.60

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Solution

The fourth proportional to 9,464,139.40, 14,196,209.10 and 6,440,830.60 is: 9,661,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,464,139.40 : 14,196,209.10 = 6,440,830.60 : x
  2. Step 2: Convert to fraction form
    9,464,139.40/14,196,209.10 = 6,440,830.60/x
  3. Step 3: Cross multiply
    9,464,139.40x = 14,196,209.10 × 6,440,830.60
  4. Step 4: Simplify right side
    9,464,139.40x = 91,435,377,975,278.45
  5. Step 5: Solve for x
    x = 91,435,377,975,278.45/9,464,139.40
  6. Step 6: Final answer
    x = 9,661,245.90

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Double scale
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Similar ratio
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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.