Home / 31,385,240.70-47,078,011.41-9,525,809.84

Finding the Fourth Proportional to 31,385,240.70, 47,078,011.41 and 9,525,809.84

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Solution

The fourth proportional to 31,385,240.70, 47,078,011.41 and 9,525,809.84 is: 14,288,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385,240.70 : 47,078,011.41 = 9,525,809.84 : x
  2. Step 2: Convert to fraction form
    31,385,240.70/47,078,011.41 = 9,525,809.84/x
  3. Step 3: Cross multiply
    31,385,240.70x = 47,078,011.41 × 9,525,809.84
  4. Step 4: Simplify right side
    31,385,240.70x = 448,456,184,260,823.25
  5. Step 5: Solve for x
    x = 448,456,184,260,823.25/31,385,240.70
  6. Step 6: Final answer
    x = 14,288,760.39

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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.