Home / 30,679,725.40-46,008,701.70-13,609,850.20

Finding the Fourth Proportional to 30,679,725.40, 46,008,701.70 and 13,609,850.20

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Solution

The fourth proportional to 30,679,725.40, 46,008,701.70 and 13,609,850.20 is: 20,409,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679,725.40 : 46,008,701.70 = 13,609,850.20 : x
  2. Step 2: Convert to fraction form
    30,679,725.40/46,008,701.70 = 13,609,850.20/x
  3. Step 3: Cross multiply
    30,679,725.40x = 46,008,701.70 × 13,609,850.20
  4. Step 4: Simplify right side
    30,679,725.40x = 626,171,538,033,485.38
  5. Step 5: Solve for x
    x = 626,171,538,033,485.38/30,679,725.40
  6. Step 6: Final answer
    x = 20,409,945.98

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1.5x scale

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.