Home / 31,385,320.92-47,078,131.64-9,525,890.07

Finding the Fourth Proportional to 31,385,320.92, 47,078,131.64 and 9,525,890.07

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Solution

The fourth proportional to 31,385,320.92, 47,078,131.64 and 9,525,890.07 is: 14,288,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385,320.92 : 47,078,131.64 = 9,525,890.07 : x
  2. Step 2: Convert to fraction form
    31,385,320.92/47,078,131.64 = 9,525,890.07/x
  3. Step 3: Cross multiply
    31,385,320.92x = 47,078,131.64 × 9,525,890.07
  4. Step 4: Simplify right side
    31,385,320.92x = 448,461,106,655,999.38
  5. Step 5: Solve for x
    x = 448,461,106,655,999.38/31,385,320.92
  6. Step 6: Final answer
    x = 14,288,880.71

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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.