Home / 37,387,205.40-56,080,808.10-21,206,904.60

Finding the Fourth Proportional to 37,387,205.40, 56,080,808.10 and 21,206,904.60

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Solution

The fourth proportional to 37,387,205.40, 56,080,808.10 and 21,206,904.60 is: 31,810,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387,205.40 : 56,080,808.10 = 21,206,904.60 : x
  2. Step 2: Convert to fraction form
    37,387,205.40/56,080,808.10 = 21,206,904.60/x
  3. Step 3: Cross multiply
    37,387,205.40x = 56,080,808.10 × 21,206,904.60
  4. Step 4: Simplify right side
    37,387,205.40x = 1,189,300,347,267,607.50
  5. Step 5: Solve for x
    x = 1,189,300,347,267,607.50/37,387,205.40
  6. Step 6: Final answer
    x = 31,810,356.90

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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.