Home / 8,457,181.10-12,685,771.65-4,874,000.30

Finding the Fourth Proportional to 8,457,181.10, 12,685,771.65 and 4,874,000.30

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Solution

The fourth proportional to 8,457,181.10, 12,685,771.65 and 4,874,000.30 is: 7,311,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457,181.10 : 12,685,771.65 = 4,874,000.30 : x
  2. Step 2: Convert to fraction form
    8,457,181.10/12,685,771.65 = 4,874,000.30/x
  3. Step 3: Cross multiply
    8,457,181.10x = 12,685,771.65 × 4,874,000.30
  4. Step 4: Simplify right side
    8,457,181.10x = 61,830,454,827,831.49
  5. Step 5: Solve for x
    x = 61,830,454,827,831.49/8,457,181.10
  6. Step 6: Final answer
    x = 7,311,000.45

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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.