Home / 21,290,048.88-31,934,615.04-5,936,929.92

Finding the Fourth Proportional to 21,290,048.88, 31,934,615.04 and 5,936,929.92

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Solution

The fourth proportional to 21,290,048.88, 31,934,615.04 and 5,936,929.92 is: 8,905,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,048.88 : 31,934,615.04 = 5,936,929.92 : x
  2. Step 2: Convert to fraction form
    21,290,048.88/31,934,615.04 = 5,936,929.92/x
  3. Step 3: Cross multiply
    21,290,048.88x = 31,934,615.04 × 5,936,929.92
  4. Step 4: Simplify right side
    21,290,048.88x = 189,593,571,514,658
  5. Step 5: Solve for x
    x = 189,593,571,514,658/21,290,048.88
  6. Step 6: Final answer
    x = 8,905,267.08

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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.