Home / 19,010,595.51-28,519,442.69-8,636,542.58

Finding the Fourth Proportional to 19,010,595.51, 28,519,442.69 and 8,636,542.58

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Solution

The fourth proportional to 19,010,595.51, 28,519,442.69 and 8,636,542.58 is: 12,956,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,595.51 : 28,519,442.69 = 8,636,542.58 : x
  2. Step 2: Convert to fraction form
    19,010,595.51/28,519,442.69 = 8,636,542.58/x
  3. Step 3: Cross multiply
    19,010,595.51x = 28,519,442.69 × 8,636,542.58
  4. Step 4: Simplify right side
    19,010,595.51x = 246,309,381,178,170.62
  5. Step 5: Solve for x
    x = 246,309,381,178,170.62/19,010,595.51
  6. Step 6: Final answer
    x = 12,956,426.38

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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.