Home / 12,919,436.75-19,360,874.23-7,164,701.44

Finding the Fourth Proportional to 12,919,436.75, 19,360,874.23 and 7,164,701.44

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Solution

The fourth proportional to 12,919,436.75, 19,360,874.23 and 7,164,701.44 is: 10,736,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,436.75 : 19,360,874.23 = 7,164,701.44 : x
  2. Step 2: Convert to fraction form
    12,919,436.75/19,360,874.23 = 7,164,701.44/x
  3. Step 3: Cross multiply
    12,919,436.75x = 19,360,874.23 × 7,164,701.44
  4. Step 4: Simplify right side
    12,919,436.75x = 138,714,883,409,025.95
  5. Step 5: Solve for x
    x = 138,714,883,409,025.95/12,919,436.75
  6. Step 6: Final answer
    x = 10,736,914.16

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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.