Home / 13,740,298.56-18,960,734.88-7,628,725.44

Finding the Fourth Proportional to 13,740,298.56, 18,960,734.88 and 7,628,725.44

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Solution

The fourth proportional to 13,740,298.56, 18,960,734.88 and 7,628,725.44 is: 10,527,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740,298.56 : 18,960,734.88 = 7,628,725.44 : x
  2. Step 2: Convert to fraction form
    13,740,298.56/18,960,734.88 = 7,628,725.44/x
  3. Step 3: Cross multiply
    13,740,298.56x = 18,960,734.88 × 7,628,725.44
  4. Step 4: Simplify right side
    13,740,298.56x = 144,646,240,540,151.34
  5. Step 5: Solve for x
    x = 144,646,240,540,151.34/13,740,298.56
  6. Step 6: Final answer
    x = 10,527,154.12

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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.