Home / 7,116,435.20-9,820,686.16-3,853,252.64

Finding the Fourth Proportional to 7,116,435.20, 9,820,686.16 and 3,853,252.64

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Solution

The fourth proportional to 7,116,435.20, 9,820,686.16 and 3,853,252.64 is: 5,317,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,435.20 : 9,820,686.16 = 3,853,252.64 : x
  2. Step 2: Convert to fraction form
    7,116,435.20/9,820,686.16 = 3,853,252.64/x
  3. Step 3: Cross multiply
    7,116,435.20x = 9,820,686.16 × 3,853,252.64
  4. Step 4: Simplify right side
    7,116,435.20x = 37,841,584,872,631.46
  5. Step 5: Solve for x
    x = 37,841,584,872,631.46/7,116,435.20
  6. Step 6: Final answer
    x = 5,317,491.67

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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.