Home / 17,312,656.50-23,901,001.29-12,960,176.58

Finding the Fourth Proportional to 17,312,656.50, 23,901,001.29 and 12,960,176.58

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Solution

The fourth proportional to 17,312,656.50, 23,901,001.29 and 12,960,176.58 is: 17,892,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312,656.50 : 23,901,001.29 = 12,960,176.58 : x
  2. Step 2: Convert to fraction form
    17,312,656.50/23,901,001.29 = 12,960,176.58/x
  3. Step 3: Cross multiply
    17,312,656.50x = 23,901,001.29 × 12,960,176.58
  4. Step 4: Simplify right side
    17,312,656.50x = 309,761,197,157,207.75
  5. Step 5: Solve for x
    x = 309,761,197,157,207.75/17,312,656.50
  6. Step 6: Final answer
    x = 17,892,181.78

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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.