Home / 13,308,293.98-18,365,437.98-7,196,722.48

Finding the Fourth Proportional to 13,308,293.98, 18,365,437.98 and 7,196,722.48

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Solution

The fourth proportional to 13,308,293.98, 18,365,437.98 and 7,196,722.48 is: 9,931,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,293.98 : 18,365,437.98 = 7,196,722.48 : x
  2. Step 2: Convert to fraction form
    13,308,293.98/18,365,437.98 = 7,196,722.48/x
  3. Step 3: Cross multiply
    13,308,293.98x = 18,365,437.98 × 7,196,722.48
  4. Step 4: Simplify right side
    13,308,293.98x = 132,170,960,265,122.12
  5. Step 5: Solve for x
    x = 132,170,960,265,122.12/13,308,293.98
  6. Step 6: Final answer
    x = 9,931,472.85

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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.