Home / 20,650,513.23-28,526,849.60-16,547,798.43

Finding the Fourth Proportional to 20,650,513.23, 28,526,849.60 and 16,547,798.43

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Solution

The fourth proportional to 20,650,513.23, 28,526,849.60 and 16,547,798.43 is: 22,859,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,513.23 : 28,526,849.60 = 16,547,798.43 : x
  2. Step 2: Convert to fraction form
    20,650,513.23/28,526,849.60 = 16,547,798.43/x
  3. Step 3: Cross multiply
    20,650,513.23x = 28,526,849.60 × 16,547,798.43
  4. Step 4: Simplify right side
    20,650,513.23x = 472,056,556,940,987.12
  5. Step 5: Solve for x
    x = 472,056,556,940,987.12/20,650,513.23
  6. Step 6: Final answer
    x = 22,859,313.55

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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.