Home / 13,540,394.76-18,685,744.77-7,739,301.05

Finding the Fourth Proportional to 13,540,394.76, 18,685,744.77 and 7,739,301.05

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Solution

The fourth proportional to 13,540,394.76, 18,685,744.77 and 7,739,301.05 is: 10,680,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,394.76 : 18,685,744.77 = 7,739,301.05 : x
  2. Step 2: Convert to fraction form
    13,540,394.76/18,685,744.77 = 7,739,301.05/x
  3. Step 3: Cross multiply
    13,540,394.76x = 18,685,744.77 × 7,739,301.05
  4. Step 4: Simplify right side
    13,540,394.76x = 144,614,604,194,229.75
  5. Step 5: Solve for x
    x = 144,614,604,194,229.75/13,540,394.76
  6. Step 6: Final answer
    x = 10,680,235.46

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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.