Home / 7,008,896.63-9,672,221.05-4,068,986.51

Finding the Fourth Proportional to 7,008,896.63, 9,672,221.05 and 4,068,986.51

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Solution

The fourth proportional to 7,008,896.63, 9,672,221.05 and 4,068,986.51 is: 5,615,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,896.63 : 9,672,221.05 = 4,068,986.51 : x
  2. Step 2: Convert to fraction form
    7,008,896.63/9,672,221.05 = 4,068,986.51/x
  3. Step 3: Cross multiply
    7,008,896.63x = 9,672,221.05 × 4,068,986.51
  4. Step 4: Simplify right side
    7,008,896.63x = 39,356,136,915,654.46
  5. Step 5: Solve for x
    x = 39,356,136,915,654.46/7,008,896.63
  6. Step 6: Final answer
    x = 5,615,168.70

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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.