Home / 13,973,241.92-19,282,937.76-7,778,190.40

Finding the Fourth Proportional to 13,973,241.92, 19,282,937.76 and 7,778,190.40

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Solution

The fourth proportional to 13,973,241.92, 19,282,937.76 and 7,778,190.40 is: 10,733,827.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973,241.92 : 19,282,937.76 = 7,778,190.40 : x
  2. Step 2: Convert to fraction form
    13,973,241.92/19,282,937.76 = 7,778,190.40/x
  3. Step 3: Cross multiply
    13,973,241.92x = 19,282,937.76 × 7,778,190.40
  4. Step 4: Simplify right side
    13,973,241.92x = 149,986,361,368,629.53
  5. Step 5: Solve for x
    x = 149,986,361,368,629.53/13,973,241.92
  6. Step 6: Final answer
    x = 10,733,827.00

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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.