Home / 7,290,999.30-10,920,752.55-6,346,215.30

Finding the Fourth Proportional to 7,290,999.30, 10,920,752.55 and 6,346,215.30

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Solution

The fourth proportional to 7,290,999.30, 10,920,752.55 and 6,346,215.30 is: 9,505,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,999.30 : 10,920,752.55 = 6,346,215.30 : x
  2. Step 2: Convert to fraction form
    7,290,999.30/10,920,752.55 = 6,346,215.30/x
  3. Step 3: Cross multiply
    7,290,999.30x = 10,920,752.55 × 6,346,215.30
  4. Step 4: Simplify right side
    7,290,999.30x = 69,305,446,920,324.02
  5. Step 5: Solve for x
    x = 69,305,446,920,324.02/7,290,999.30
  6. Step 6: Final answer
    x = 9,505,617.00

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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.