Home / 14,365,393.74-19,824,663.99-7,839,443.70

Finding the Fourth Proportional to 14,365,393.74, 19,824,663.99 and 7,839,443.70

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Solution

The fourth proportional to 14,365,393.74, 19,824,663.99 and 7,839,443.70 is: 10,818,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,393.74 : 19,824,663.99 = 7,839,443.70 : x
  2. Step 2: Convert to fraction form
    14,365,393.74/19,824,663.99 = 7,839,443.70/x
  3. Step 3: Cross multiply
    14,365,393.74x = 19,824,663.99 × 7,839,443.70
  4. Step 4: Simplify right side
    14,365,393.74x = 155,414,337,221,022.34
  5. Step 5: Solve for x
    x = 155,414,337,221,022.34/14,365,393.74
  6. Step 6: Final answer
    x = 10,818,661.85

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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.