Home / 10,697,720.40-16,058,390.40-6,658,768.80

Finding the Fourth Proportional to 10,697,720.40, 16,058,390.40 and 6,658,768.80

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Solution

The fourth proportional to 10,697,720.40, 16,058,390.40 and 6,658,768.80 is: 9,995,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697,720.40 : 16,058,390.40 = 6,658,768.80 : x
  2. Step 2: Convert to fraction form
    10,697,720.40/16,058,390.40 = 6,658,768.80/x
  3. Step 3: Cross multiply
    10,697,720.40x = 16,058,390.40 × 6,658,768.80
  4. Step 4: Simplify right side
    10,697,720.40x = 106,929,108,973,739.52
  5. Step 5: Solve for x
    x = 106,929,108,973,739.52/10,697,720.40
  6. Step 6: Final answer
    x = 9,995,504.18

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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.