Home / 10,401,983.40-15,572,562.30-7,415,999.40

Finding the Fourth Proportional to 10,401,983.40, 15,572,562.30 and 7,415,999.40

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Solution

The fourth proportional to 10,401,983.40, 15,572,562.30 and 7,415,999.40 is: 11,102,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401,983.40 : 15,572,562.30 = 7,415,999.40 : x
  2. Step 2: Convert to fraction form
    10,401,983.40/15,572,562.30 = 7,415,999.40/x
  3. Step 3: Cross multiply
    10,401,983.40x = 15,572,562.30 × 7,415,999.40
  4. Step 4: Simplify right side
    10,401,983.40x = 115,486,112,673,262.62
  5. Step 5: Solve for x
    x = 115,486,112,673,262.62/10,401,983.40
  6. Step 6: Final answer
    x = 11,102,316.57

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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.