Home / 19,196,236.55-28,814,278.40-11,124,981.83

Finding the Fourth Proportional to 19,196,236.55, 28,814,278.40 and 11,124,981.83

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Solution

The fourth proportional to 19,196,236.55, 28,814,278.40 and 11,124,981.83 is: 16,699,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196,236.55 : 28,814,278.40 = 11,124,981.83 : x
  2. Step 2: Convert to fraction form
    19,196,236.55/28,814,278.40 = 11,124,981.83/x
  3. Step 3: Cross multiply
    19,196,236.55x = 28,814,278.40 × 11,124,981.83
  4. Step 4: Simplify right side
    19,196,236.55x = 320,558,323,644,561.44
  5. Step 5: Solve for x
    x = 320,558,323,644,561.44/19,196,236.55
  6. Step 6: Final answer
    x = 16,699,019.25

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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.