Home / 14,365,613.81-19,824,965.73-7,839,663.63

Finding the Fourth Proportional to 14,365,613.81, 19,824,965.73 and 7,839,663.63

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Solution

The fourth proportional to 14,365,613.81, 19,824,965.73 and 7,839,663.63 is: 10,818,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,613.81 : 19,824,965.73 = 7,839,663.63 : x
  2. Step 2: Convert to fraction form
    14,365,613.81/19,824,965.73 = 7,839,663.63/x
  3. Step 3: Cross multiply
    14,365,613.81x = 19,824,965.73 × 7,839,663.63
  4. Step 4: Simplify right side
    14,365,613.81x = 155,421,062,725,133.78
  5. Step 5: Solve for x
    x = 155,421,062,725,133.78/14,365,613.81
  6. Step 6: Final answer
    x = 10,818,964.28

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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.