Home / 20,994,041.40-31,471,247.70-11,395,270.20

Finding the Fourth Proportional to 20,994,041.40, 31,471,247.70 and 11,395,270.20

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Solution

The fourth proportional to 20,994,041.40, 31,471,247.70 and 11,395,270.20 is: 17,082,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994,041.40 : 31,471,247.70 = 11,395,270.20 : x
  2. Step 2: Convert to fraction form
    20,994,041.40/31,471,247.70 = 11,395,270.20/x
  3. Step 3: Cross multiply
    20,994,041.40x = 31,471,247.70 × 11,395,270.20
  4. Step 4: Simplify right side
    20,994,041.40x = 358,623,371,072,628.50
  5. Step 5: Solve for x
    x = 358,623,371,072,628.50/20,994,041.40
  6. Step 6: Final answer
    x = 17,082,150.32

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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.