Home / 21,033,702.81-31,552,360.53-7,385,676

Finding the Fourth Proportional to 21,033,702.81, 31,552,360.53 and 7,385,676

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Solution

The fourth proportional to 21,033,702.81, 31,552,360.53 and 7,385,676 is: 11,079,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,702.81 : 31,552,360.53 = 7,385,676 : x
  2. Step 2: Convert to fraction form
    21,033,702.81/31,552,360.53 = 7,385,676/x
  3. Step 3: Cross multiply
    21,033,702.81x = 31,552,360.53 × 7,385,676
  4. Step 4: Simplify right side
    21,033,702.81x = 233,035,511,909,768.28
  5. Step 5: Solve for x
    x = 233,035,511,909,768.28/21,033,702.81
  6. Step 6: Final answer
    x = 11,079,148.26

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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.