Home / 12,782,751.70-17,640,065.04-6,981,533.74

Finding the Fourth Proportional to 12,782,751.70, 17,640,065.04 and 6,981,533.74

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Solution

The fourth proportional to 12,782,751.70, 17,640,065.04 and 6,981,533.74 is: 9,634,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782,751.70 : 17,640,065.04 = 6,981,533.74 : x
  2. Step 2: Convert to fraction form
    12,782,751.70/17,640,065.04 = 6,981,533.74/x
  3. Step 3: Cross multiply
    12,782,751.70x = 17,640,065.04 × 6,981,533.74
  4. Step 4: Simplify right side
    12,782,751.70x = 123,154,709,252,554.45
  5. Step 5: Solve for x
    x = 123,154,709,252,554.45/12,782,751.70
  6. Step 6: Final answer
    x = 9,634,444.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.