Home / 30,593,875.80-45,892,887.30-10,400,640.60

Finding the Fourth Proportional to 30,593,875.80, 45,892,887.30 and 10,400,640.60

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Solution

The fourth proportional to 30,593,875.80, 45,892,887.30 and 10,400,640.60 is: 15,601,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593,875.80 : 45,892,887.30 = 10,400,640.60 : x
  2. Step 2: Convert to fraction form
    30,593,875.80/45,892,887.30 = 10,400,640.60/x
  3. Step 3: Cross multiply
    30,593,875.80x = 45,892,887.30 × 10,400,640.60
  4. Step 4: Simplify right side
    30,593,875.80x = 477,315,426,903,604.31
  5. Step 5: Solve for x
    x = 477,315,426,903,604.31/30,593,875.80
  6. Step 6: Final answer
    x = 15,601,665.84

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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.