Home / 30,369,012.12-41,871,220.98-25,346,971.20

Finding the Fourth Proportional to 30,369,012.12, 41,871,220.98 and 25,346,971.20

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Solution

The fourth proportional to 30,369,012.12, 41,871,220.98 and 25,346,971.20 is: 34,947,091.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369,012.12 : 41,871,220.98 = 25,346,971.20 : x
  2. Step 2: Convert to fraction form
    30,369,012.12/41,871,220.98 = 25,346,971.20/x
  3. Step 3: Cross multiply
    30,369,012.12x = 41,871,220.98 × 25,346,971.20
  4. Step 4: Simplify right side
    30,369,012.12x = 1,061,308,632,288,895.62
  5. Step 5: Solve for x
    x = 1,061,308,632,288,895.62/30,369,012.12
  6. Step 6: Final answer
    x = 34,947,091.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.