Home / 31,408,855.20-47,116,393.20-10,935,424.80

Finding the Fourth Proportional to 31,408,855.20, 47,116,393.20 and 10,935,424.80

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Solution

The fourth proportional to 31,408,855.20, 47,116,393.20 and 10,935,424.80 is: 16,404,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408,855.20 : 47,116,393.20 = 10,935,424.80 : x
  2. Step 2: Convert to fraction form
    31,408,855.20/47,116,393.20 = 10,935,424.80/x
  3. Step 3: Cross multiply
    31,408,855.20x = 47,116,393.20 × 10,935,424.80
  4. Step 4: Simplify right side
    31,408,855.20x = 515,237,774,685,831.44
  5. Step 5: Solve for x
    x = 515,237,774,685,831.44/31,408,855.20
  6. Step 6: Final answer
    x = 16,404,220.13

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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.