Home / 7,068,890.80-10,606,446.60-3,280,423.60

Finding the Fourth Proportional to 7,068,890.80, 10,606,446.60 and 3,280,423.60

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Solution

The fourth proportional to 7,068,890.80, 10,606,446.60 and 3,280,423.60 is: 4,922,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068,890.80 : 10,606,446.60 = 3,280,423.60 : x
  2. Step 2: Convert to fraction form
    7,068,890.80/10,606,446.60 = 3,280,423.60/x
  3. Step 3: Cross multiply
    7,068,890.80x = 10,606,446.60 × 3,280,423.60
  4. Step 4: Simplify right side
    7,068,890.80x = 34,793,637,738,779.76
  5. Step 5: Solve for x
    x = 34,793,637,738,779.76/7,068,890.80
  6. Step 6: Final answer
    x = 4,922,078.83

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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.