Home / 7,261,750.20-10,020,345.90-4,205,540.28

Finding the Fourth Proportional to 7,261,750.20, 10,020,345.90 and 4,205,540.28

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Solution

The fourth proportional to 7,261,750.20, 10,020,345.90 and 4,205,540.28 is: 5,803,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,750.20 : 10,020,345.90 = 4,205,540.28 : x
  2. Step 2: Convert to fraction form
    7,261,750.20/10,020,345.90 = 4,205,540.28/x
  3. Step 3: Cross multiply
    7,261,750.20x = 10,020,345.90 × 4,205,540.28
  4. Step 4: Simplify right side
    7,261,750.20x = 42,140,968,301,982.86
  5. Step 5: Solve for x
    x = 42,140,968,301,982.86/7,261,750.20
  6. Step 6: Final answer
    x = 5,803,142.10

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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.