Home / 17,965,547.80-26,951,820.90-5,186,469.40

Finding the Fourth Proportional to 17,965,547.80, 26,951,820.90 and 5,186,469.40

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Solution

The fourth proportional to 17,965,547.80, 26,951,820.90 and 5,186,469.40 is: 7,780,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965,547.80 : 26,951,820.90 = 5,186,469.40 : x
  2. Step 2: Convert to fraction form
    17,965,547.80/26,951,820.90 = 5,186,469.40/x
  3. Step 3: Cross multiply
    17,965,547.80x = 26,951,820.90 × 5,186,469.40
  4. Step 4: Simplify right side
    17,965,547.80x = 139,784,794,372,130.47
  5. Step 5: Solve for x
    x = 139,784,794,372,130.47/17,965,547.80
  6. Step 6: Final answer
    x = 7,780,714.28

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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.