Home / 7,076,557.68-9,765,990.54-3,980,050.80

Finding the Fourth Proportional to 7,076,557.68, 9,765,990.54 and 3,980,050.80

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Solution

The fourth proportional to 7,076,557.68, 9,765,990.54 and 3,980,050.80 is: 5,492,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076,557.68 : 9,765,990.54 = 3,980,050.80 : x
  2. Step 2: Convert to fraction form
    7,076,557.68/9,765,990.54 = 3,980,050.80/x
  3. Step 3: Cross multiply
    7,076,557.68x = 9,765,990.54 × 3,980,050.80
  4. Step 4: Simplify right side
    7,076,557.68x = 38,869,138,461,519.43
  5. Step 5: Solve for x
    x = 38,869,138,461,519.43/7,076,557.68
  6. Step 6: Final answer
    x = 5,492,661.86

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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.