Home / 21,940,191.71-30,262,885.79-14,109,604.08

Finding the Fourth Proportional to 21,940,191.71, 30,262,885.79 and 14,109,604.08

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Solution

The fourth proportional to 21,940,191.71, 30,262,885.79 and 14,109,604.08 is: 19,461,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940,191.71 : 30,262,885.79 = 14,109,604.08 : x
  2. Step 2: Convert to fraction form
    21,940,191.71/30,262,885.79 = 14,109,604.08/x
  3. Step 3: Cross multiply
    21,940,191.71x = 30,262,885.79 × 14,109,604.08
  4. Step 4: Simplify right side
    21,940,191.71x = 426,997,336,815,158
  5. Step 5: Solve for x
    x = 426,997,336,815,158/21,940,191.71
  6. Step 6: Final answer
    x = 19,461,878.11

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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.