Home / 19,196,235.55-28,814,276.90-11,124,980.83

Finding the Fourth Proportional to 19,196,235.55, 28,814,276.90 and 11,124,980.83

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Solution

The fourth proportional to 19,196,235.55, 28,814,276.90 and 11,124,980.83 is: 16,699,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196,235.55 : 28,814,276.90 = 11,124,980.83 : x
  2. Step 2: Convert to fraction form
    19,196,235.55/28,814,276.90 = 11,124,980.83/x
  3. Step 3: Cross multiply
    19,196,235.55x = 28,814,276.90 × 11,124,980.83
  4. Step 4: Simplify right side
    19,196,235.55x = 320,558,278,142,811.81
  5. Step 5: Solve for x
    x = 320,558,278,142,811.81/19,196,235.55
  6. Step 6: Final answer
    x = 16,699,017.75

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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.