Home / 30,498,017.07-42,087,314.30-16,747,852.35

Finding the Fourth Proportional to 30,498,017.07, 42,087,314.30 and 16,747,852.35

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Solution

The fourth proportional to 30,498,017.07, 42,087,314.30 and 16,747,852.35 is: 23,112,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,498,017.07 : 42,087,314.30 = 16,747,852.35 : x
  2. Step 2: Convert to fraction form
    30,498,017.07/42,087,314.30 = 16,747,852.35/x
  3. Step 3: Cross multiply
    30,498,017.07x = 42,087,314.30 × 16,747,852.35
  4. Step 4: Simplify right side
    30,498,017.07x = 704,872,125,620,704.38
  5. Step 5: Solve for x
    x = 704,872,125,620,704.38/30,498,017.07
  6. Step 6: Final answer
    x = 23,112,064.11

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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.