Home / 8,678,586.80-13,017,880.20-4,191,316.40

Finding the Fourth Proportional to 8,678,586.80, 13,017,880.20 and 4,191,316.40

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Solution

The fourth proportional to 8,678,586.80, 13,017,880.20 and 4,191,316.40 is: 6,286,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,586.80 : 13,017,880.20 = 4,191,316.40 : x
  2. Step 2: Convert to fraction form
    8,678,586.80/13,017,880.20 = 4,191,316.40/x
  3. Step 3: Cross multiply
    8,678,586.80x = 13,017,880.20 × 4,191,316.40
  4. Step 4: Simplify right side
    8,678,586.80x = 54,562,054,775,495.27
  5. Step 5: Solve for x
    x = 54,562,054,775,495.27/8,678,586.80
  6. Step 6: Final answer
    x = 6,286,974.60

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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.