Home / 7,142,971.20-10,714,456.80-4,156,987.20

Finding the Fourth Proportional to 7,142,971.20, 10,714,456.80 and 4,156,987.20

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Solution

The fourth proportional to 7,142,971.20, 10,714,456.80 and 4,156,987.20 is: 6,235,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,971.20 : 10,714,456.80 = 4,156,987.20 : x
  2. Step 2: Convert to fraction form
    7,142,971.20/10,714,456.80 = 4,156,987.20/x
  3. Step 3: Cross multiply
    7,142,971.20x = 10,714,456.80 × 4,156,987.20
  4. Step 4: Simplify right side
    7,142,971.20x = 44,539,859,772,552.97
  5. Step 5: Solve for x
    x = 44,539,859,772,552.97/7,142,971.20
  6. Step 6: Final answer
    x = 6,235,480.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.