Home / 7,618,721.06-11,428,050.18-2,759,889.86

Finding the Fourth Proportional to 7,618,721.06, 11,428,050.18 and 2,759,889.86

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Solution

The fourth proportional to 7,618,721.06, 11,428,050.18 and 2,759,889.86 is: 4,139,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618,721.06 : 11,428,050.18 = 2,759,889.86 : x
  2. Step 2: Convert to fraction form
    7,618,721.06/11,428,050.18 = 2,759,889.86/x
  3. Step 3: Cross multiply
    7,618,721.06x = 11,428,050.18 × 2,759,889.86
  4. Step 4: Simplify right side
    7,618,721.06x = 31,540,159,807,417.70
  5. Step 5: Solve for x
    x = 31,540,159,807,417.70/7,618,721.06
  6. Step 6: Final answer
    x = 4,139,823.41

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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.