Home / 31,368,072.20-47,054,441.10-11,170,689.80

Finding the Fourth Proportional to 31,368,072.20, 47,054,441.10 and 11,170,689.80

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Solution

The fourth proportional to 31,368,072.20, 47,054,441.10 and 11,170,689.80 is: 16,756,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368,072.20 : 47,054,441.10 = 11,170,689.80 : x
  2. Step 2: Convert to fraction form
    31,368,072.20/47,054,441.10 = 11,170,689.80/x
  3. Step 3: Cross multiply
    31,368,072.20x = 47,054,441.10 × 11,170,689.80
  4. Step 4: Simplify right side
    31,368,072.20x = 525,630,565,240,470.81
  5. Step 5: Solve for x
    x = 525,630,565,240,470.81/31,368,072.20
  6. Step 6: Final answer
    x = 16,756,865.45

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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.