Home / 9,705,215.36-13,393,122.40-5,354,485.04

Finding the Fourth Proportional to 9,705,215.36, 13,393,122.40 and 5,354,485.04

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Solution

The fourth proportional to 9,705,215.36, 13,393,122.40 and 5,354,485.04 is: 7,389,148.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705,215.36 : 13,393,122.40 = 5,354,485.04 : x
  2. Step 2: Convert to fraction form
    9,705,215.36/13,393,122.40 = 5,354,485.04/x
  3. Step 3: Cross multiply
    9,705,215.36x = 13,393,122.40 × 5,354,485.04
  4. Step 4: Simplify right side
    9,705,215.36x = 71,713,273,529,688.91
  5. Step 5: Solve for x
    x = 71,713,273,529,688.91/9,705,215.36
  6. Step 6: Final answer
    x = 7,389,148.09

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1.5x scale

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.