Home / 13,743,672.90-18,966,497.04-7,549,292.40

Finding the Fourth Proportional to 13,743,672.90, 18,966,497.04 and 7,549,292.40

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Solution

The fourth proportional to 13,743,672.90, 18,966,497.04 and 7,549,292.40 is: 10,418,148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,672.90 : 18,966,497.04 = 7,549,292.40 : x
  2. Step 2: Convert to fraction form
    13,743,672.90/18,966,497.04 = 7,549,292.40/x
  3. Step 3: Cross multiply
    13,743,672.90x = 18,966,497.04 × 7,549,292.40
  4. Step 4: Simplify right side
    13,743,672.90x = 143,183,631,958,694.50
  5. Step 5: Solve for x
    x = 143,183,631,958,694.50/13,743,672.90
  6. Step 6: Final answer
    x = 10,418,148.99

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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.