Home / 7,402,039.80-11,087,313.30-6,142,327.80

Finding the Fourth Proportional to 7,402,039.80, 11,087,313.30 and 6,142,327.80

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Solution

The fourth proportional to 7,402,039.80, 11,087,313.30 and 6,142,327.80 is: 9,200,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402,039.80 : 11,087,313.30 = 6,142,327.80 : x
  2. Step 2: Convert to fraction form
    7,402,039.80/11,087,313.30 = 6,142,327.80/x
  3. Step 3: Cross multiply
    7,402,039.80x = 11,087,313.30 × 6,142,327.80
  4. Step 4: Simplify right side
    7,402,039.80x = 68,101,912,709,899.74
  5. Step 5: Solve for x
    x = 68,101,912,709,899.74/7,402,039.80
  6. Step 6: Final answer
    x = 9,200,425.09

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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.