Home / 20,596,557.86-28,424,578.44-11,429,200.61

Finding the Fourth Proportional to 20,596,557.86, 28,424,578.44 and 11,429,200.61

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Solution

The fourth proportional to 20,596,557.86, 28,424,578.44 and 11,429,200.61 is: 15,773,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596,557.86 : 28,424,578.44 = 11,429,200.61 : x
  2. Step 2: Convert to fraction form
    20,596,557.86/28,424,578.44 = 11,429,200.61/x
  3. Step 3: Cross multiply
    20,596,557.86x = 28,424,578.44 × 11,429,200.61
  4. Step 4: Simplify right side
    20,596,557.86x = 324,870,209,103,318
  5. Step 5: Solve for x
    x = 324,870,209,103,318/20,596,557.86
  6. Step 6: Final answer
    x = 15,773,034.09

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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.