Home / 21,409,824.52-29,532,115.77-12,701,830.22

Finding the Fourth Proportional to 21,409,824.52, 29,532,115.77 and 12,701,830.22

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Solution

The fourth proportional to 21,409,824.52, 29,532,115.77 and 12,701,830.22 is: 17,520,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,824.52 : 29,532,115.77 = 12,701,830.22 : x
  2. Step 2: Convert to fraction form
    21,409,824.52/29,532,115.77 = 12,701,830.22/x
  3. Step 3: Cross multiply
    21,409,824.52x = 29,532,115.77 × 12,701,830.22
  4. Step 4: Simplify right side
    21,409,824.52x = 375,111,920,534,825.38
  5. Step 5: Solve for x
    x = 375,111,920,534,825.38/21,409,824.52
  6. Step 6: Final answer
    x = 17,520,550.91

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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.