Home / 52,756,821.36-79,142,859.54-19,958,497.38

Finding the Fourth Proportional to 52,756,821.36, 79,142,859.54 and 19,958,497.38

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Solution

The fourth proportional to 52,756,821.36, 79,142,859.54 and 19,958,497.38 is: 29,940,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,756,821.36 : 79,142,859.54 = 19,958,497.38 : x
  2. Step 2: Convert to fraction form
    52,756,821.36/79,142,859.54 = 19,958,497.38/x
  3. Step 3: Cross multiply
    52,756,821.36x = 79,142,859.54 × 19,958,497.38
  4. Step 4: Simplify right side
    52,756,821.36x = 1,579,572,554,774,798
  5. Step 5: Solve for x
    x = 1,579,572,554,774,798/52,756,821.36
  6. Step 6: Final answer
    x = 29,940,631.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.