Home / 31,385,315.30-47,078,123.20-9,525,884.45

Finding the Fourth Proportional to 31,385,315.30, 47,078,123.20 and 9,525,884.45

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Solution

The fourth proportional to 31,385,315.30, 47,078,123.20 and 9,525,884.45 is: 14,288,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385,315.30 : 47,078,123.20 = 9,525,884.45 : x
  2. Step 2: Convert to fraction form
    31,385,315.30/47,078,123.20 = 9,525,884.45/x
  3. Step 3: Cross multiply
    31,385,315.30x = 47,078,123.20 × 9,525,884.45
  4. Step 4: Simplify right side
    31,385,315.30x = 448,460,761,466,858.94
  5. Step 5: Solve for x
    x = 448,460,761,466,858.94/31,385,315.30
  6. Step 6: Final answer
    x = 14,288,872.27

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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.