Home / 7,638,545.34-10,540,982.25-4,200,786

Finding the Fourth Proportional to 7,638,545.34, 10,540,982.25 and 4,200,786

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Solution

The fourth proportional to 7,638,545.34, 10,540,982.25 and 4,200,786 is: 5,796,969.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,545.34 : 10,540,982.25 = 4,200,786 : x
  2. Step 2: Convert to fraction form
    7,638,545.34/10,540,982.25 = 4,200,786/x
  3. Step 3: Cross multiply
    7,638,545.34x = 10,540,982.25 × 4,200,786
  4. Step 4: Simplify right side
    7,638,545.34x = 44,280,410,662,048.50
  5. Step 5: Solve for x
    x = 44,280,410,662,048.50/7,638,545.34
  6. Step 6: Final answer
    x = 5,796,969.02

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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.