Home / 19,051,044.20-28,579,715.10-8,826,122.60

Finding the Fourth Proportional to 19,051,044.20, 28,579,715.10 and 8,826,122.60

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Solution

The fourth proportional to 19,051,044.20, 28,579,715.10 and 8,826,122.60 is: 13,240,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051,044.20 : 28,579,715.10 = 8,826,122.60 : x
  2. Step 2: Convert to fraction form
    19,051,044.20/28,579,715.10 = 8,826,122.60/x
  3. Step 3: Cross multiply
    19,051,044.20x = 28,579,715.10 × 8,826,122.60
  4. Step 4: Simplify right side
    19,051,044.20x = 252,248,069,345,671.25
  5. Step 5: Solve for x
    x = 252,248,069,345,671.25/19,051,044.20
  6. Step 6: Final answer
    x = 13,240,642.70

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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.