Home / 20,736,051.60-31,104,077.40-11,628,800.40

Finding the Fourth Proportional to 20,736,051.60, 31,104,077.40 and 11,628,800.40

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Solution

The fourth proportional to 20,736,051.60, 31,104,077.40 and 11,628,800.40 is: 17,443,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,051.60 : 31,104,077.40 = 11,628,800.40 : x
  2. Step 2: Convert to fraction form
    20,736,051.60/31,104,077.40 = 11,628,800.40/x
  3. Step 3: Cross multiply
    20,736,051.60x = 31,104,077.40 × 11,628,800.40
  4. Step 4: Simplify right side
    20,736,051.60x = 361,703,107,710,750.94
  5. Step 5: Solve for x
    x = 361,703,107,710,750.94/20,736,051.60
  6. Step 6: Final answer
    x = 17,443,200.60

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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.