Home / 21,778,972.88-32,668,237.88-5,604,861.28

Finding the Fourth Proportional to 21,778,972.88, 32,668,237.88 and 5,604,861.28

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Solution

The fourth proportional to 21,778,972.88, 32,668,237.88 and 5,604,861.28 is: 8,407,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,778,972.88 : 32,668,237.88 = 5,604,861.28 : x
  2. Step 2: Convert to fraction form
    21,778,972.88/32,668,237.88 = 5,604,861.28/x
  3. Step 3: Cross multiply
    21,778,972.88x = 32,668,237.88 × 5,604,861.28
  4. Step 4: Simplify right side
    21,778,972.88x = 183,100,941,579,441.28
  5. Step 5: Solve for x
    x = 183,100,941,579,441.28/21,778,972.88
  6. Step 6: Final answer
    x = 8,407,234.93

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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.