Home / 7,770,815.40-11,666,720.70-4,936,463.40

Finding the Fourth Proportional to 7,770,815.40, 11,666,720.70 and 4,936,463.40

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Solution

The fourth proportional to 7,770,815.40, 11,666,720.70 and 4,936,463.40 is: 7,411,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,815.40 : 11,666,720.70 = 4,936,463.40 : x
  2. Step 2: Convert to fraction form
    7,770,815.40/11,666,720.70 = 4,936,463.40/x
  3. Step 3: Cross multiply
    7,770,815.40x = 11,666,720.70 × 4,936,463.40
  4. Step 4: Simplify right side
    7,770,815.40x = 57,592,339,733,572.38
  5. Step 5: Solve for x
    x = 57,592,339,733,572.38/7,770,815.40
  6. Step 6: Final answer
    x = 7,411,363.77

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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.