Home / 8,124,367.40-11,192,784.06-5,673,095.78

Finding the Fourth Proportional to 8,124,367.40, 11,192,784.06 and 5,673,095.78

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Solution

The fourth proportional to 8,124,367.40, 11,192,784.06 and 5,673,095.78 is: 7,815,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,367.40 : 11,192,784.06 = 5,673,095.78 : x
  2. Step 2: Convert to fraction form
    8,124,367.40/11,192,784.06 = 5,673,095.78/x
  3. Step 3: Cross multiply
    8,124,367.40x = 11,192,784.06 × 5,673,095.78
  4. Step 4: Simplify right side
    8,124,367.40x = 63,497,736,045,219.23
  5. Step 5: Solve for x
    x = 63,497,736,045,219.23/8,124,367.40
  6. Step 6: Final answer
    x = 7,815,714.50

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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.