Home / 7,157,317.65-9,883,057.76-6,638,047.30

Finding the Fourth Proportional to 7,157,317.65, 9,883,057.76 and 6,638,047.30

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Solution

The fourth proportional to 7,157,317.65, 9,883,057.76 and 6,638,047.30 is: 9,166,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,317.65 : 9,883,057.76 = 6,638,047.30 : x
  2. Step 2: Convert to fraction form
    7,157,317.65/9,883,057.76 = 6,638,047.30/x
  3. Step 3: Cross multiply
    7,157,317.65x = 9,883,057.76 × 6,638,047.30
  4. Step 4: Simplify right side
    7,157,317.65x = 65,604,204,883,568.30
  5. Step 5: Solve for x
    x = 65,604,204,883,568.30/7,157,317.65
  6. Step 6: Final answer
    x = 9,166,032.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.