Home / 10,750,534.40-16,130,467.20-5,431,750.40

Finding the Fourth Proportional to 10,750,534.40, 16,130,467.20 and 5,431,750.40

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Solution

The fourth proportional to 10,750,534.40, 16,130,467.20 and 5,431,750.40 is: 8,149,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750,534.40 : 16,130,467.20 = 5,431,750.40 : x
  2. Step 2: Convert to fraction form
    10,750,534.40/16,130,467.20 = 5,431,750.40/x
  3. Step 3: Cross multiply
    10,750,534.40x = 16,130,467.20 × 5,431,750.40
  4. Step 4: Simplify right side
    10,750,534.40x = 87,616,671,665,786.88
  5. Step 5: Solve for x
    x = 87,616,671,665,786.88/10,750,534.40
  6. Step 6: Final answer
    x = 8,149,982.91

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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.