Home / 13,743,500.32-18,966,064.44-7,631,928.64

Finding the Fourth Proportional to 13,743,500.32, 18,966,064.44 and 7,631,928.64

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Solution

The fourth proportional to 13,743,500.32, 18,966,064.44 and 7,631,928.64 is: 10,532,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,500.32 : 18,966,064.44 = 7,631,928.64 : x
  2. Step 2: Convert to fraction form
    13,743,500.32/18,966,064.44 = 7,631,928.64/x
  3. Step 3: Cross multiply
    13,743,500.32x = 18,966,064.44 × 7,631,928.64
  4. Step 4: Simplify right side
    13,743,500.32x = 144,747,650,387,721.56
  5. Step 5: Solve for x
    x = 144,747,650,387,721.56/13,743,500.32
  6. Step 6: Final answer
    x = 10,532,080.40

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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.