Home / 11,982,330.40-17,973,495.60-9,147,978.40

Finding the Fourth Proportional to 11,982,330.40, 17,973,495.60 and 9,147,978.40

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Solution

The fourth proportional to 11,982,330.40, 17,973,495.60 and 9,147,978.40 is: 13,721,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982,330.40 : 17,973,495.60 = 9,147,978.40 : x
  2. Step 2: Convert to fraction form
    11,982,330.40/17,973,495.60 = 9,147,978.40/x
  3. Step 3: Cross multiply
    11,982,330.40x = 17,973,495.60 × 9,147,978.40
  4. Step 4: Simplify right side
    11,982,330.40x = 164,421,149,521,295.06
  5. Step 5: Solve for x
    x = 164,421,149,521,295.06/11,982,330.40
  6. Step 6: Final answer
    x = 13,721,967.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.