Home / 14,365,611.79-19,824,962.93-7,839,661.59

Finding the Fourth Proportional to 14,365,611.79, 19,824,962.93 and 7,839,661.59

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Solution

The fourth proportional to 14,365,611.79, 19,824,962.93 and 7,839,661.59 is: 10,818,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,611.79 : 19,824,962.93 = 7,839,661.59 : x
  2. Step 2: Convert to fraction form
    14,365,611.79/19,824,962.93 = 7,839,661.59/x
  3. Step 3: Cross multiply
    14,365,611.79x = 19,824,962.93 × 7,839,661.59
  4. Step 4: Simplify right side
    14,365,611.79x = 155,421,000,366,296.56
  5. Step 5: Solve for x
    x = 155,421,000,366,296.56/14,365,611.79
  6. Step 6: Final answer
    x = 10,818,961.47

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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.