Home / 43,513,928.25-65,248,430.64-12,804,516.69

Finding the Fourth Proportional to 43,513,928.25, 65,248,430.64 and 12,804,516.69

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Solution

The fourth proportional to 43,513,928.25, 65,248,430.64 and 12,804,516.69 is: 19,200,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,513,928.25 : 65,248,430.64 = 12,804,516.69 : x
  2. Step 2: Convert to fraction form
    43,513,928.25/65,248,430.64 = 12,804,516.69/x
  3. Step 3: Cross multiply
    43,513,928.25x = 65,248,430.64 × 12,804,516.69
  4. Step 4: Simplify right side
    43,513,928.25x = 835,474,619,126,187.38
  5. Step 5: Solve for x
    x = 835,474,619,126,187.38/43,513,928.25
  6. Step 6: Final answer
    x = 19,200,165.39

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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.