Home / 20,650,491.48-28,526,819.58-16,547,776.68

Finding the Fourth Proportional to 20,650,491.48, 28,526,819.58 and 16,547,776.68

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Solution

The fourth proportional to 20,650,491.48, 28,526,819.58 and 16,547,776.68 is: 22,859,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,491.48 : 28,526,819.58 = 16,547,776.68 : x
  2. Step 2: Convert to fraction form
    20,650,491.48/28,526,819.58 = 16,547,776.68/x
  3. Step 3: Cross multiply
    20,650,491.48x = 28,526,819.58 × 16,547,776.68
  4. Step 4: Simplify right side
    20,650,491.48x = 472,055,439,800,491.38
  5. Step 5: Solve for x
    x = 472,055,439,800,491.38/20,650,491.48
  6. Step 6: Final answer
    x = 22,859,283.53

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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.