Home / 7,341,775.20-11,012,662.80-5,830,120.80

Finding the Fourth Proportional to 7,341,775.20, 11,012,662.80 and 5,830,120.80

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Solution

The fourth proportional to 7,341,775.20, 11,012,662.80 and 5,830,120.80 is: 8,745,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,775.20 : 11,012,662.80 = 5,830,120.80 : x
  2. Step 2: Convert to fraction form
    7,341,775.20/11,012,662.80 = 5,830,120.80/x
  3. Step 3: Cross multiply
    7,341,775.20x = 11,012,662.80 × 5,830,120.80
  4. Step 4: Simplify right side
    7,341,775.20x = 64,205,154,453,666.24
  5. Step 5: Solve for x
    x = 64,205,154,453,666.24/7,341,775.20
  6. Step 6: Final answer
    x = 8,745,181.20

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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.