Home / 11,057,988.18-16,575,959.70-5,290,081.86

Finding the Fourth Proportional to 11,057,988.18, 16,575,959.70 and 5,290,081.86

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Solution

The fourth proportional to 11,057,988.18, 16,575,959.70 and 5,290,081.86 is: 7,929,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057,988.18 : 16,575,959.70 = 5,290,081.86 : x
  2. Step 2: Convert to fraction form
    11,057,988.18/16,575,959.70 = 5,290,081.86/x
  3. Step 3: Cross multiply
    11,057,988.18x = 16,575,959.70 × 5,290,081.86
  4. Step 4: Simplify right side
    11,057,988.18x = 87,688,183,721,061.05
  5. Step 5: Solve for x
    x = 87,688,183,721,061.05/11,057,988.18
  6. Step 6: Final answer
    x = 7,929,849.65

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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.