Home / 20,841,588.77-28,697,190.71-18,514,445.81

Finding the Fourth Proportional to 20,841,588.77, 28,697,190.71 and 18,514,445.81

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Solution

The fourth proportional to 20,841,588.77, 28,697,190.71 and 18,514,445.81 is: 25,492,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,588.77 : 28,697,190.71 = 18,514,445.81 : x
  2. Step 2: Convert to fraction form
    20,841,588.77/28,697,190.71 = 18,514,445.81/x
  3. Step 3: Cross multiply
    20,841,588.77x = 28,697,190.71 × 18,514,445.81
  4. Step 4: Simplify right side
    20,841,588.77x = 531,312,582,063,472.19
  5. Step 5: Solve for x
    x = 531,312,582,063,472.19/20,841,588.77
  6. Step 6: Final answer
    x = 25,492,902.10

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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.