Home / 28,030,986.20-42,046,479.30-20,472,714.20

Finding the Fourth Proportional to 28,030,986.20, 42,046,479.30 and 20,472,714.20

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Solution

The fourth proportional to 28,030,986.20, 42,046,479.30 and 20,472,714.20 is: 30,709,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,986.20 : 42,046,479.30 = 20,472,714.20 : x
  2. Step 2: Convert to fraction form
    28,030,986.20/42,046,479.30 = 20,472,714.20/x
  3. Step 3: Cross multiply
    28,030,986.20x = 42,046,479.30 × 20,472,714.20
  4. Step 4: Simplify right side
    28,030,986.20x = 860,805,553,825,116
  5. Step 5: Solve for x
    x = 860,805,553,825,116/28,030,986.20
  6. Step 6: Final answer
    x = 30,709,071.30

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Similar ratio
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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.