Home / 7,457,002.80-11,178,131.40-2,963,281.20

Finding the Fourth Proportional to 7,457,002.80, 11,178,131.40 and 2,963,281.20

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Solution

The fourth proportional to 7,457,002.80, 11,178,131.40 and 2,963,281.20 is: 4,441,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457,002.80 : 11,178,131.40 = 2,963,281.20 : x
  2. Step 2: Convert to fraction form
    7,457,002.80/11,178,131.40 = 2,963,281.20/x
  3. Step 3: Cross multiply
    7,457,002.80x = 11,178,131.40 × 2,963,281.20
  4. Step 4: Simplify right side
    7,457,002.80x = 33,123,946,628,749.68
  5. Step 5: Solve for x
    x = 33,123,946,628,749.68/7,457,002.80
  6. Step 6: Final answer
    x = 4,441,991.98

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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.