Home / 30,902,907.40-46,370,949.90-12,953,825.80

Finding the Fourth Proportional to 30,902,907.40, 46,370,949.90 and 12,953,825.80

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Solution

The fourth proportional to 30,902,907.40, 46,370,949.90 and 12,953,825.80 is: 19,437,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902,907.40 : 46,370,949.90 = 12,953,825.80 : x
  2. Step 2: Convert to fraction form
    30,902,907.40/46,370,949.90 = 12,953,825.80/x
  3. Step 3: Cross multiply
    30,902,907.40x = 46,370,949.90 × 12,953,825.80
  4. Step 4: Simplify right side
    30,902,907.40x = 600,681,207,185,127.38
  5. Step 5: Solve for x
    x = 600,681,207,185,127.38/30,902,907.40
  6. Step 6: Final answer
    x = 19,437,692.36

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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.