Home / 7,002,917.46-9,664,006.65-3,905,443.71

Finding the Fourth Proportional to 7,002,917.46, 9,664,006.65 and 3,905,443.71

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Solution

The fourth proportional to 7,002,917.46, 9,664,006.65 and 3,905,443.71 is: 5,389,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,917.46 : 9,664,006.65 = 3,905,443.71 : x
  2. Step 2: Convert to fraction form
    7,002,917.46/9,664,006.65 = 3,905,443.71/x
  3. Step 3: Cross multiply
    7,002,917.46x = 9,664,006.65 × 3,905,443.71
  4. Step 4: Simplify right side
    7,002,917.46x = 37,742,233,984,640.67
  5. Step 5: Solve for x
    x = 37,742,233,984,640.67/7,002,917.46
  6. Step 6: Final answer
    x = 5,389,501.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.