Home / 13,401,973.36-18,494,709.24-7,290,387.28

Finding the Fourth Proportional to 13,401,973.36, 18,494,709.24 and 7,290,387.28

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Solution

The fourth proportional to 13,401,973.36, 18,494,709.24 and 7,290,387.28 is: 10,060,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,973.36 : 18,494,709.24 = 7,290,387.28 : x
  2. Step 2: Convert to fraction form
    13,401,973.36/18,494,709.24 = 7,290,387.28/x
  3. Step 3: Cross multiply
    13,401,973.36x = 18,494,709.24 × 7,290,387.28
  4. Step 4: Simplify right side
    13,401,973.36x = 134,833,592,990,594.45
  5. Step 5: Solve for x
    x = 134,833,592,990,594.45/13,401,973.36
  6. Step 6: Final answer
    x = 10,060,726.83

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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.