Home / 26,302,911.30-39,374,650.80-19,128,457.80

Finding the Fourth Proportional to 26,302,911.30, 39,374,650.80 and 19,128,457.80

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Solution

The fourth proportional to 26,302,911.30, 39,374,650.80 and 19,128,457.80 is: 28,634,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,302,911.30 : 39,374,650.80 = 19,128,457.80 : x
  2. Step 2: Convert to fraction form
    26,302,911.30/39,374,650.80 = 19,128,457.80/x
  3. Step 3: Cross multiply
    26,302,911.30x = 39,374,650.80 × 19,128,457.80
  4. Step 4: Simplify right side
    26,302,911.30x = 753,176,346,217,536.25
  5. Step 5: Solve for x
    x = 753,176,346,217,536.25/26,302,911.30
  6. Step 6: Final answer
    x = 28,634,714.14

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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.