Home / 20,286,797,030.73-27,984,148,517.90-12,652,589,008.13

Finding the Fourth Proportional to 20,286,797,030.73, 27,984,148,517.90 and 12,652,589,008.13

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Solution

The fourth proportional to 20,286,797,030.73, 27,984,148,517.90 and 12,652,589,008.13 is: 17,453,318,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,797,030.73 : 27,984,148,517.90 = 12,652,589,008.13 : x
  2. Step 2: Convert to fraction form
    20,286,797,030.73/27,984,148,517.90 = 12,652,589,008.13/x
  3. Step 3: Cross multiply
    20,286,797,030.73x = 27,984,148,517.90 × 12,652,589,008.13
  4. Step 4: Simplify right side
    20,286,797,030.73x = 354,071,929,939,319,062,528
  5. Step 5: Solve for x
    x = 354,071,929,939,319,062,528/20,286,797,030.73
  6. Step 6: Final answer
    x = 17,453,318,500.85

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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.