Home / 19,248,814.65-28,876,863.54-7,735,178.19

Finding the Fourth Proportional to 19,248,814.65, 28,876,863.54 and 7,735,178.19

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Solution

The fourth proportional to 19,248,814.65, 28,876,863.54 and 7,735,178.19 is: 11,604,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248,814.65 : 28,876,863.54 = 7,735,178.19 : x
  2. Step 2: Convert to fraction form
    19,248,814.65/28,876,863.54 = 7,735,178.19/x
  3. Step 3: Cross multiply
    19,248,814.65x = 28,876,863.54 × 7,735,178.19
  4. Step 4: Simplify right side
    19,248,814.65x = 223,367,685,050,214.19
  5. Step 5: Solve for x
    x = 223,367,685,050,214.19/19,248,814.65
  6. Step 6: Final answer
    x = 11,604,230.66

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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.