Home / 19,214,929.80-28,822,394.70-18,385,619.40

Finding the Fourth Proportional to 19,214,929.80, 28,822,394.70 and 18,385,619.40

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Solution

The fourth proportional to 19,214,929.80, 28,822,394.70 and 18,385,619.40 is: 27,578,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214,929.80 : 28,822,394.70 = 18,385,619.40 : x
  2. Step 2: Convert to fraction form
    19,214,929.80/28,822,394.70 = 18,385,619.40/x
  3. Step 3: Cross multiply
    19,214,929.80x = 28,822,394.70 × 18,385,619.40
  4. Step 4: Simplify right side
    19,214,929.80x = 529,917,579,150,777.12
  5. Step 5: Solve for x
    x = 529,917,579,150,777.12/19,214,929.80
  6. Step 6: Final answer
    x = 27,578,429.10

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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.