Home / 7,340,045.60-11,010,068.40-4,789,128.80

Finding the Fourth Proportional to 7,340,045.60, 11,010,068.40 and 4,789,128.80

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Solution

The fourth proportional to 7,340,045.60, 11,010,068.40 and 4,789,128.80 is: 7,183,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,045.60 : 11,010,068.40 = 4,789,128.80 : x
  2. Step 2: Convert to fraction form
    7,340,045.60/11,010,068.40 = 4,789,128.80/x
  3. Step 3: Cross multiply
    7,340,045.60x = 11,010,068.40 × 4,789,128.80
  4. Step 4: Simplify right side
    7,340,045.60x = 52,728,635,664,409.92
  5. Step 5: Solve for x
    x = 52,728,635,664,409.92/7,340,045.60
  6. Step 6: Final answer
    x = 7,183,693.20

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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.