Home / 31,590,408.75-47,385,613.13-7,655,880.75

Finding the Fourth Proportional to 31,590,408.75, 47,385,613.13 and 7,655,880.75

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Solution

The fourth proportional to 31,590,408.75, 47,385,613.13 and 7,655,880.75 is: 11,483,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590,408.75 : 47,385,613.13 = 7,655,880.75 : x
  2. Step 2: Convert to fraction form
    31,590,408.75/47,385,613.13 = 7,655,880.75/x
  3. Step 3: Cross multiply
    31,590,408.75x = 47,385,613.13 × 7,655,880.75
  4. Step 4: Simplify right side
    31,590,408.75x = 362,778,603,350,634.88
  5. Step 5: Solve for x
    x = 362,778,603,350,634.88/31,590,408.75
  6. Step 6: Final answer
    x = 11,483,821.13

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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.