Home / 14,365,615.82-19,824,968.49-7,839,665.63

Finding the Fourth Proportional to 14,365,615.82, 19,824,968.49 and 7,839,665.63

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Solution

The fourth proportional to 14,365,615.82, 19,824,968.49 and 7,839,665.63 is: 10,818,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,615.82 : 19,824,968.49 = 7,839,665.63 : x
  2. Step 2: Convert to fraction form
    14,365,615.82/19,824,968.49 = 7,839,665.63/x
  3. Step 3: Cross multiply
    14,365,615.82x = 19,824,968.49 × 7,839,665.63
  4. Step 4: Simplify right side
    14,365,615.82x = 155,421,124,086,885.97
  5. Step 5: Solve for x
    x = 155,421,124,086,885.97/14,365,615.82
  6. Step 6: Final answer
    x = 10,818,967.04

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1.5x scale

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.