Home / 6,518,747.60-9,778,121.40-6,242,310.80

Finding the Fourth Proportional to 6,518,747.60, 9,778,121.40 and 6,242,310.80

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Solution

The fourth proportional to 6,518,747.60, 9,778,121.40 and 6,242,310.80 is: 9,363,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,747.60 : 9,778,121.40 = 6,242,310.80 : x
  2. Step 2: Convert to fraction form
    6,518,747.60/9,778,121.40 = 6,242,310.80/x
  3. Step 3: Cross multiply
    6,518,747.60x = 9,778,121.40 × 6,242,310.80
  4. Step 4: Simplify right side
    6,518,747.60x = 61,038,072,818,931.12
  5. Step 5: Solve for x
    x = 61,038,072,818,931.12/6,518,747.60
  6. Step 6: Final answer
    x = 9,363,466.20

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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.