Home / 26,915,111.80-40,381,998.90-11,779,905.40

Finding the Fourth Proportional to 26,915,111.80, 40,381,998.90 and 11,779,905.40

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Solution

The fourth proportional to 26,915,111.80, 40,381,998.90 and 11,779,905.40 is: 17,673,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915,111.80 : 40,381,998.90 = 11,779,905.40 : x
  2. Step 2: Convert to fraction form
    26,915,111.80/40,381,998.90 = 11,779,905.40/x
  3. Step 3: Cross multiply
    26,915,111.80x = 40,381,998.90 × 11,779,905.40
  4. Step 4: Simplify right side
    26,915,111.80x = 475,696,126,904,904.06
  5. Step 5: Solve for x
    x = 475,696,126,904,904.06/26,915,111.80
  6. Step 6: Final answer
    x = 17,673,942.08

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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.