Home / 7,770,783.20-11,656,202.50-2,379,411.18

Finding the Fourth Proportional to 7,770,783.20, 11,656,202.50 and 2,379,411.18

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Solution

The fourth proportional to 7,770,783.20, 11,656,202.50 and 2,379,411.18 is: 3,569,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,783.20 : 11,656,202.50 = 2,379,411.18 : x
  2. Step 2: Convert to fraction form
    7,770,783.20/11,656,202.50 = 2,379,411.18/x
  3. Step 3: Cross multiply
    7,770,783.20x = 11,656,202.50 × 2,379,411.18
  4. Step 4: Simplify right side
    7,770,783.20x = 27,734,898,547,818.22
  5. Step 5: Solve for x
    x = 27,734,898,547,818.22/7,770,783.20
  6. Step 6: Final answer
    x = 3,569,125.25

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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.