Home / 7,418,408.40-11,127,612.60-5,736,718.80

Finding the Fourth Proportional to 7,418,408.40, 11,127,612.60 and 5,736,718.80

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Solution

The fourth proportional to 7,418,408.40, 11,127,612.60 and 5,736,718.80 is: 8,605,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,408.40 : 11,127,612.60 = 5,736,718.80 : x
  2. Step 2: Convert to fraction form
    7,418,408.40/11,127,612.60 = 5,736,718.80/x
  3. Step 3: Cross multiply
    7,418,408.40x = 11,127,612.60 × 5,736,718.80
  4. Step 4: Simplify right side
    7,418,408.40x = 63,835,984,401,536.88
  5. Step 5: Solve for x
    x = 63,835,984,401,536.88/7,418,408.40
  6. Step 6: Final answer
    x = 8,605,078.20

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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.