Home / 20,736,166.40-31,104,249.60-14,689,548.80

Finding the Fourth Proportional to 20,736,166.40, 31,104,249.60 and 14,689,548.80

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Solution

The fourth proportional to 20,736,166.40, 31,104,249.60 and 14,689,548.80 is: 22,034,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,166.40 : 31,104,249.60 = 14,689,548.80 : x
  2. Step 2: Convert to fraction form
    20,736,166.40/31,104,249.60 = 14,689,548.80/x
  3. Step 3: Cross multiply
    20,736,166.40x = 31,104,249.60 × 14,689,548.80
  4. Step 4: Simplify right side
    20,736,166.40x = 456,907,392,386,580.50
  5. Step 5: Solve for x
    x = 456,907,392,386,580.50/20,736,166.40
  6. Step 6: Final answer
    x = 22,034,323.20

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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.