Home / 20,616,002.10-30,921,179.19-11,411,001.12

Finding the Fourth Proportional to 20,616,002.10, 30,921,179.19 and 11,411,001.12

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Solution

The fourth proportional to 20,616,002.10, 30,921,179.19 and 11,411,001.12 is: 17,114,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616,002.10 : 30,921,179.19 = 11,411,001.12 : x
  2. Step 2: Convert to fraction form
    20,616,002.10/30,921,179.19 = 11,411,001.12/x
  3. Step 3: Cross multiply
    20,616,002.10x = 30,921,179.19 × 11,411,001.12
  4. Step 4: Simplify right side
    20,616,002.10x = 352,841,610,368,810.69
  5. Step 5: Solve for x
    x = 352,841,610,368,810.69/20,616,002.10
  6. Step 6: Final answer
    x = 17,114,938.61

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1.5x scale

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.