Home / 21,964,822.84-30,312,566.58-12,668,934.52

Finding the Fourth Proportional to 21,964,822.84, 30,312,566.58 and 12,668,934.52

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Solution

The fourth proportional to 21,964,822.84, 30,312,566.58 and 12,668,934.52 is: 17,483,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964,822.84 : 30,312,566.58 = 12,668,934.52 : x
  2. Step 2: Convert to fraction form
    21,964,822.84/30,312,566.58 = 12,668,934.52/x
  3. Step 3: Cross multiply
    21,964,822.84x = 30,312,566.58 × 12,668,934.52
  4. Step 4: Simplify right side
    21,964,822.84x = 384,027,921,135,160.31
  5. Step 5: Solve for x
    x = 384,027,921,135,160.31/21,964,822.84
  6. Step 6: Final answer
    x = 17,483,770.48

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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.