Home / 10,401,987.40-15,572,568.30-7,416,003.40

Finding the Fourth Proportional to 10,401,987.40, 15,572,568.30 and 7,416,003.40

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Solution

The fourth proportional to 10,401,987.40, 15,572,568.30 and 7,416,003.40 is: 11,102,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401,987.40 : 15,572,568.30 = 7,416,003.40 : x
  2. Step 2: Convert to fraction form
    10,401,987.40/15,572,568.30 = 7,416,003.40/x
  3. Step 3: Cross multiply
    10,401,987.40x = 15,572,568.30 × 7,416,003.40
  4. Step 4: Simplify right side
    10,401,987.40x = 115,486,219,459,532.23
  5. Step 5: Solve for x
    x = 115,486,219,459,532.23/10,401,987.40
  6. Step 6: Final answer
    x = 11,102,322.57

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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.