Home / 40,638,030.48-56,080,518.21-22,053,170.43

Finding the Fourth Proportional to 40,638,030.48, 56,080,518.21 and 22,053,170.43

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Solution

The fourth proportional to 40,638,030.48, 56,080,518.21 and 22,053,170.43 is: 30,433,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638,030.48 : 56,080,518.21 = 22,053,170.43 : x
  2. Step 2: Convert to fraction form
    40,638,030.48/56,080,518.21 = 22,053,170.43/x
  3. Step 3: Cross multiply
    40,638,030.48x = 56,080,518.21 × 22,053,170.43
  4. Step 4: Simplify right side
    40,638,030.48x = 1,236,753,225,887,848.50
  5. Step 5: Solve for x
    x = 1,236,753,225,887,848.50/40,638,030.48
  6. Step 6: Final answer
    x = 30,433,394.81

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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.