Home / 9,665,420.63-13,337,939.04-5,314,476.47

Finding the Fourth Proportional to 9,665,420.63, 13,337,939.04 and 5,314,476.47

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Solution

The fourth proportional to 9,665,420.63, 13,337,939.04 and 5,314,476.47 is: 7,333,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665,420.63 : 13,337,939.04 = 5,314,476.47 : x
  2. Step 2: Convert to fraction form
    9,665,420.63/13,337,939.04 = 5,314,476.47/x
  3. Step 3: Cross multiply
    9,665,420.63x = 13,337,939.04 × 5,314,476.47
  4. Step 4: Simplify right side
    9,665,420.63x = 70,884,163,119,684.69
  5. Step 5: Solve for x
    x = 70,884,163,119,684.69/9,665,420.63
  6. Step 6: Final answer
    x = 7,333,789.79

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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.