Home / 12,676,604.40-19,014,906.60-7,637,756.40

Finding the Fourth Proportional to 12,676,604.40, 19,014,906.60 and 7,637,756.40

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Solution

The fourth proportional to 12,676,604.40, 19,014,906.60 and 7,637,756.40 is: 11,456,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,604.40 : 19,014,906.60 = 7,637,756.40 : x
  2. Step 2: Convert to fraction form
    12,676,604.40/19,014,906.60 = 7,637,756.40/x
  3. Step 3: Cross multiply
    12,676,604.40x = 19,014,906.60 × 7,637,756.40
  4. Step 4: Simplify right side
    12,676,604.40x = 145,231,224,579,552.25
  5. Step 5: Solve for x
    x = 145,231,224,579,552.25/12,676,604.40
  6. Step 6: Final answer
    x = 11,456,634.60

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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.