Home / 36,636,805.92-54,955,398.72-21,480,108.72

Finding the Fourth Proportional to 36,636,805.92, 54,955,398.72 and 21,480,108.72

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Solution

The fourth proportional to 36,636,805.92, 54,955,398.72 and 21,480,108.72 is: 32,220,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,636,805.92 : 54,955,398.72 = 21,480,108.72 : x
  2. Step 2: Convert to fraction form
    36,636,805.92/54,955,398.72 = 21,480,108.72/x
  3. Step 3: Cross multiply
    36,636,805.92x = 54,955,398.72 × 21,480,108.72
  4. Step 4: Simplify right side
    36,636,805.92x = 1,180,447,939,256,548.75
  5. Step 5: Solve for x
    x = 1,180,447,939,256,548.75/36,636,805.92
  6. Step 6: Final answer
    x = 32,220,274.38

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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.