Home / 30,940,271.54-42,695,075.13-17,888,371.58

Finding the Fourth Proportional to 30,940,271.54, 42,695,075.13 and 17,888,371.58

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Solution

The fourth proportional to 30,940,271.54, 42,695,075.13 and 17,888,371.58 is: 24,684,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940,271.54 : 42,695,075.13 = 17,888,371.58 : x
  2. Step 2: Convert to fraction form
    30,940,271.54/42,695,075.13 = 17,888,371.58/x
  3. Step 3: Cross multiply
    30,940,271.54x = 42,695,075.13 × 17,888,371.58
  4. Step 4: Simplify right side
    30,940,271.54x = 763,745,368,561,456.75
  5. Step 5: Solve for x
    x = 763,745,368,561,456.75/30,940,271.54
  6. Step 6: Final answer
    x = 24,684,507.62

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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.