Home / 7,912,666.41-11,855,426.31-5,314,100.28

Finding the Fourth Proportional to 7,912,666.41, 11,855,426.31 and 5,314,100.28

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Solution

The fourth proportional to 7,912,666.41, 11,855,426.31 and 5,314,100.28 is: 7,962,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,666.41 : 11,855,426.31 = 5,314,100.28 : x
  2. Step 2: Convert to fraction form
    7,912,666.41/11,855,426.31 = 5,314,100.28/x
  3. Step 3: Cross multiply
    7,912,666.41x = 11,855,426.31 × 5,314,100.28
  4. Step 4: Simplify right side
    7,912,666.41x = 63,000,924,273,490.38
  5. Step 5: Solve for x
    x = 63,000,924,273,490.38/7,912,666.41
  6. Step 6: Final answer
    x = 7,962,034.67

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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.