Home / 14,365,517.32-19,824,835.53-7,839,567.91

Finding the Fourth Proportional to 14,365,517.32, 19,824,835.53 and 7,839,567.91

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Solution

The fourth proportional to 14,365,517.32, 19,824,835.53 and 7,839,567.91 is: 10,818,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,517.32 : 19,824,835.53 = 7,839,567.91 : x
  2. Step 2: Convert to fraction form
    14,365,517.32/19,824,835.53 = 7,839,567.91/x
  3. Step 3: Cross multiply
    14,365,517.32x = 19,824,835.53 × 7,839,567.91
  4. Step 4: Simplify right side
    14,365,517.32x = 155,418,144,442,015.84
  5. Step 5: Solve for x
    x = 155,418,144,442,015.84/14,365,517.32
  6. Step 6: Final answer
    x = 10,818,833.81

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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.