Home / 7,065,985.20-10,598,977.80-4,080,001.20

Finding the Fourth Proportional to 7,065,985.20, 10,598,977.80 and 4,080,001.20

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Solution

The fourth proportional to 7,065,985.20, 10,598,977.80 and 4,080,001.20 is: 6,120,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065,985.20 : 10,598,977.80 = 4,080,001.20 : x
  2. Step 2: Convert to fraction form
    7,065,985.20/10,598,977.80 = 4,080,001.20/x
  3. Step 3: Cross multiply
    7,065,985.20x = 10,598,977.80 × 4,080,001.20
  4. Step 4: Simplify right side
    7,065,985.20x = 43,243,842,142,773.37
  5. Step 5: Solve for x
    x = 43,243,842,142,773.37/7,065,985.20
  6. Step 6: Final answer
    x = 6,120,001.80

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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.