Home / 9,967,957.96-13,755,779.86-5,384,279.38

Finding the Fourth Proportional to 9,967,957.96, 13,755,779.86 and 5,384,279.38

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Solution

The fourth proportional to 9,967,957.96, 13,755,779.86 and 5,384,279.38 is: 7,430,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967,957.96 : 13,755,779.86 = 5,384,279.38 : x
  2. Step 2: Convert to fraction form
    9,967,957.96/13,755,779.86 = 5,384,279.38/x
  3. Step 3: Cross multiply
    9,967,957.96x = 13,755,779.86 × 5,384,279.38
  4. Step 4: Simplify right side
    9,967,957.96x = 74,064,961,856,017.28
  5. Step 5: Solve for x
    x = 74,064,961,856,017.28/9,967,957.96
  6. Step 6: Final answer
    x = 7,430,304.40

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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.