Home / 28,193,340.30-42,290,010.45-16,855,932.30

Finding the Fourth Proportional to 28,193,340.30, 42,290,010.45 and 16,855,932.30

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Solution

The fourth proportional to 28,193,340.30, 42,290,010.45 and 16,855,932.30 is: 25,283,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,340.30 : 42,290,010.45 = 16,855,932.30 : x
  2. Step 2: Convert to fraction form
    28,193,340.30/42,290,010.45 = 16,855,932.30/x
  3. Step 3: Cross multiply
    28,193,340.30x = 42,290,010.45 × 16,855,932.30
  4. Step 4: Simplify right side
    28,193,340.30x = 712,837,553,111,492.62
  5. Step 5: Solve for x
    x = 712,837,553,111,492.62/28,193,340.30
  6. Step 6: Final answer
    x = 25,283,898.45

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1.5x scale

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.