Home / 8,237,211.60-12,355,817.40-4,458,075.60

Finding the Fourth Proportional to 8,237,211.60, 12,355,817.40 and 4,458,075.60

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Solution

The fourth proportional to 8,237,211.60, 12,355,817.40 and 4,458,075.60 is: 6,687,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237,211.60 : 12,355,817.40 = 4,458,075.60 : x
  2. Step 2: Convert to fraction form
    8,237,211.60/12,355,817.40 = 4,458,075.60/x
  3. Step 3: Cross multiply
    8,237,211.60x = 12,355,817.40 × 4,458,075.60
  4. Step 4: Simplify right side
    8,237,211.60x = 55,083,168,068,995.44
  5. Step 5: Solve for x
    x = 55,083,168,068,995.44/8,237,211.60
  6. Step 6: Final answer
    x = 6,687,113.40

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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.