Home / 9,721,567.70-14,582,351.55-7,831,999.70

Finding the Fourth Proportional to 9,721,567.70, 14,582,351.55 and 7,831,999.70

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Solution

The fourth proportional to 9,721,567.70, 14,582,351.55 and 7,831,999.70 is: 11,747,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721,567.70 : 14,582,351.55 = 7,831,999.70 : x
  2. Step 2: Convert to fraction form
    9,721,567.70/14,582,351.55 = 7,831,999.70/x
  3. Step 3: Cross multiply
    9,721,567.70x = 14,582,351.55 × 7,831,999.70
  4. Step 4: Simplify right side
    9,721,567.70x = 114,208,972,964,894.55
  5. Step 5: Solve for x
    x = 114,208,972,964,894.55/9,721,567.70
  6. Step 6: Final answer
    x = 11,747,999.55

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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.