Home / 12,559,890.78-17,332,112.16-7,333,189.02

Finding the Fourth Proportional to 12,559,890.78, 17,332,112.16 and 7,333,189.02

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Solution

The fourth proportional to 12,559,890.78, 17,332,112.16 and 7,333,189.02 is: 10,119,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559,890.78 : 17,332,112.16 = 7,333,189.02 : x
  2. Step 2: Convert to fraction form
    12,559,890.78/17,332,112.16 = 7,333,189.02/x
  3. Step 3: Cross multiply
    12,559,890.78x = 17,332,112.16 × 7,333,189.02
  4. Step 4: Simplify right side
    12,559,890.78x = 127,099,654,585,120.47
  5. Step 5: Solve for x
    x = 127,099,654,585,120.47/12,559,890.78
  6. Step 6: Final answer
    x = 10,119,487.25

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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.