Home / 8,464,048.80-12,696,073.20-8,338,077.60

Finding the Fourth Proportional to 8,464,048.80, 12,696,073.20 and 8,338,077.60

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Solution

The fourth proportional to 8,464,048.80, 12,696,073.20 and 8,338,077.60 is: 12,507,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464,048.80 : 12,696,073.20 = 8,338,077.60 : x
  2. Step 2: Convert to fraction form
    8,464,048.80/12,696,073.20 = 8,338,077.60/x
  3. Step 3: Cross multiply
    8,464,048.80x = 12,696,073.20 × 8,338,077.60
  4. Step 4: Simplify right side
    8,464,048.80x = 105,860,843,556,880.31
  5. Step 5: Solve for x
    x = 105,860,843,556,880.31/8,464,048.80
  6. Step 6: Final answer
    x = 12,507,116.40

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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.