Home / 13,023,350.56-17,972,804.64-7,221,742.57

Finding the Fourth Proportional to 13,023,350.56, 17,972,804.64 and 7,221,742.57

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Solution

The fourth proportional to 13,023,350.56, 17,972,804.64 and 7,221,742.57 is: 9,966,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,350.56 : 17,972,804.64 = 7,221,742.57 : x
  2. Step 2: Convert to fraction form
    13,023,350.56/17,972,804.64 = 7,221,742.57/x
  3. Step 3: Cross multiply
    13,023,350.56x = 17,972,804.64 × 7,221,742.57
  4. Step 4: Simplify right side
    13,023,350.56x = 129,794,968,370,981.53
  5. Step 5: Solve for x
    x = 129,794,968,370,981.53/13,023,350.56
  6. Step 6: Final answer
    x = 9,966,326.85

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1.5x scale

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.