Home / 7,157,321.64-9,883,063.28-6,638,051.30

Finding the Fourth Proportional to 7,157,321.64, 9,883,063.28 and 6,638,051.30

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Solution

The fourth proportional to 7,157,321.64, 9,883,063.28 and 6,638,051.30 is: 9,166,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,321.64 : 9,883,063.28 = 6,638,051.30 : x
  2. Step 2: Convert to fraction form
    7,157,321.64/9,883,063.28 = 6,638,051.30/x
  3. Step 3: Cross multiply
    7,157,321.64x = 9,883,063.28 × 6,638,051.30
  4. Step 4: Simplify right side
    7,157,321.64x = 65,604,281,053,786.26
  5. Step 5: Solve for x
    x = 65,604,281,053,786.26/7,157,321.64
  6. Step 6: Final answer
    x = 9,166,037.85

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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.