Home / 28,300,934.10-39,043,949.22-17,843,511.72

Finding the Fourth Proportional to 28,300,934.10, 39,043,949.22 and 17,843,511.72

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Solution

The fourth proportional to 28,300,934.10, 39,043,949.22 and 17,843,511.72 is: 24,616,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300,934.10 : 39,043,949.22 = 17,843,511.72 : x
  2. Step 2: Convert to fraction form
    28,300,934.10/39,043,949.22 = 17,843,511.72/x
  3. Step 3: Cross multiply
    28,300,934.10x = 39,043,949.22 × 17,843,511.72
  4. Step 4: Simplify right side
    28,300,934.10x = 696,681,165,502,154.75
  5. Step 5: Solve for x
    x = 696,681,165,502,154.75/28,300,934.10
  6. Step 6: Final answer
    x = 24,616,896.50

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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.