Home / 20,736,051.40-31,104,077.10-19,475,302.60

Finding the Fourth Proportional to 20,736,051.40, 31,104,077.10 and 19,475,302.60

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Solution

The fourth proportional to 20,736,051.40, 31,104,077.10 and 19,475,302.60 is: 29,212,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,051.40 : 31,104,077.10 = 19,475,302.60 : x
  2. Step 2: Convert to fraction form
    20,736,051.40/31,104,077.10 = 19,475,302.60/x
  3. Step 3: Cross multiply
    20,736,051.40x = 31,104,077.10 × 19,475,302.60
  4. Step 4: Simplify right side
    20,736,051.40x = 605,761,313,616,230.50
  5. Step 5: Solve for x
    x = 605,761,313,616,230.50/20,736,051.40
  6. Step 6: Final answer
    x = 29,212,953.90

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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.