Home / 20,433,536.31-28,175,371.47-16,700,783.77

Finding the Fourth Proportional to 20,433,536.31, 28,175,371.47 and 16,700,783.77

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Solution

The fourth proportional to 20,433,536.31, 28,175,371.47 and 16,700,783.77 is: 23,028,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,536.31 : 28,175,371.47 = 16,700,783.77 : x
  2. Step 2: Convert to fraction form
    20,433,536.31/28,175,371.47 = 16,700,783.77/x
  3. Step 3: Cross multiply
    20,433,536.31x = 28,175,371.47 × 16,700,783.77
  4. Step 4: Simplify right side
    20,433,536.31x = 470,550,786,559,897
  5. Step 5: Solve for x
    x = 470,550,786,559,897/20,433,536.31
  6. Step 6: Final answer
    x = 23,028,357.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.