Home / 7,260,048.40-10,890,072.60-7,134,077.20

Finding the Fourth Proportional to 7,260,048.40, 10,890,072.60 and 7,134,077.20

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Solution

The fourth proportional to 7,260,048.40, 10,890,072.60 and 7,134,077.20 is: 10,701,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,048.40 : 10,890,072.60 = 7,134,077.20 : x
  2. Step 2: Convert to fraction form
    7,260,048.40/10,890,072.60 = 7,134,077.20/x
  3. Step 3: Cross multiply
    7,260,048.40x = 10,890,072.60 × 7,134,077.20
  4. Step 4: Simplify right side
    7,260,048.40x = 77,690,618,642,004.72
  5. Step 5: Solve for x
    x = 77,690,618,642,004.72/7,260,048.40
  6. Step 6: Final answer
    x = 10,701,115.80

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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.