Home / 13,743,680.90-18,966,508.08-7,549,300.40

Finding the Fourth Proportional to 13,743,680.90, 18,966,508.08 and 7,549,300.40

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Solution

The fourth proportional to 13,743,680.90, 18,966,508.08 and 7,549,300.40 is: 10,418,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,680.90 : 18,966,508.08 = 7,549,300.40 : x
  2. Step 2: Convert to fraction form
    13,743,680.90/18,966,508.08 = 7,549,300.40/x
  3. Step 3: Cross multiply
    13,743,680.90x = 18,966,508.08 × 7,549,300.40
  4. Step 4: Simplify right side
    13,743,680.90x = 143,183,867,034,947.22
  5. Step 5: Solve for x
    x = 143,183,867,034,947.22/13,743,680.90
  6. Step 6: Final answer
    x = 10,418,160.03

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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.