Home / 19,292,908.32-28,917,348.30-7,771,000.68

Finding the Fourth Proportional to 19,292,908.32, 28,917,348.30 and 7,771,000.68

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Solution

The fourth proportional to 19,292,908.32, 28,917,348.30 and 7,771,000.68 is: 11,647,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292,908.32 : 28,917,348.30 = 7,771,000.68 : x
  2. Step 2: Convert to fraction form
    19,292,908.32/28,917,348.30 = 7,771,000.68/x
  3. Step 3: Cross multiply
    19,292,908.32x = 28,917,348.30 × 7,771,000.68
  4. Step 4: Simplify right side
    19,292,908.32x = 224,716,733,303,096.84
  5. Step 5: Solve for x
    x = 224,716,733,303,096.84/19,292,908.32
  6. Step 6: Final answer
    x = 11,647,633.92

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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.