Home / 17,977,999.70-26,966,999.55-11,931,382.10

Finding the Fourth Proportional to 17,977,999.70, 26,966,999.55 and 11,931,382.10

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Solution

The fourth proportional to 17,977,999.70, 26,966,999.55 and 11,931,382.10 is: 17,897,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977,999.70 : 26,966,999.55 = 11,931,382.10 : x
  2. Step 2: Convert to fraction form
    17,977,999.70/26,966,999.55 = 11,931,382.10/x
  3. Step 3: Cross multiply
    17,977,999.70x = 26,966,999.55 × 11,931,382.10
  4. Step 4: Simplify right side
    17,977,999.70x = 321,753,575,721,578.06
  5. Step 5: Solve for x
    x = 321,753,575,721,578.06/17,977,999.70
  6. Step 6: Final answer
    x = 17,897,073.15

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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.