Home / 13,021,401.42-17,969,502.96-7,220,034

Finding the Fourth Proportional to 13,021,401.42, 17,969,502.96 and 7,220,034

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Solution

The fourth proportional to 13,021,401.42, 17,969,502.96 and 7,220,034 is: 9,963,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021,401.42 : 17,969,502.96 = 7,220,034 : x
  2. Step 2: Convert to fraction form
    13,021,401.42/17,969,502.96 = 7,220,034/x
  3. Step 3: Cross multiply
    13,021,401.42x = 17,969,502.96 × 7,220,034
  4. Step 4: Simplify right side
    13,021,401.42x = 129,740,422,334,300.64
  5. Step 5: Solve for x
    x = 129,740,422,334,300.64/13,021,401.42
  6. Step 6: Final answer
    x = 9,963,629.73

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1.5x scale

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.