Home / 11,300,308.40-15,597,744.38-7,380,663.74

Finding the Fourth Proportional to 11,300,308.40, 15,597,744.38 and 7,380,663.74

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Solution

The fourth proportional to 11,300,308.40, 15,597,744.38 and 7,380,663.74 is: 10,187,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300,308.40 : 15,597,744.38 = 7,380,663.74 : x
  2. Step 2: Convert to fraction form
    11,300,308.40/15,597,744.38 = 7,380,663.74/x
  3. Step 3: Cross multiply
    11,300,308.40x = 15,597,744.38 × 7,380,663.74
  4. Step 4: Simplify right side
    11,300,308.40x = 115,121,706,256,362.75
  5. Step 5: Solve for x
    x = 115,121,706,256,362.75/11,300,308.40
  6. Step 6: Final answer
    x = 10,187,483.58

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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.