Home / 20,994,051.40-31,471,262.70-11,395,280.20

Finding the Fourth Proportional to 20,994,051.40, 31,471,262.70 and 11,395,280.20

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Solution

The fourth proportional to 20,994,051.40, 31,471,262.70 and 11,395,280.20 is: 17,082,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994,051.40 : 31,471,262.70 = 11,395,280.20 : x
  2. Step 2: Convert to fraction form
    20,994,051.40/31,471,262.70 = 11,395,280.20/x
  3. Step 3: Cross multiply
    20,994,051.40x = 31,471,262.70 × 11,395,280.20
  4. Step 4: Simplify right side
    20,994,051.40x = 358,623,856,714,308.50
  5. Step 5: Solve for x
    x = 358,623,856,714,308.50/20,994,051.40
  6. Step 6: Final answer
    x = 17,082,165.32

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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.