Home / 12,754,931,405.70-19,132,397,108.55-12,582,938,727.30

Finding the Fourth Proportional to 12,754,931,405.70, 19,132,397,108.55 and 12,582,938,727.30

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Solution

The fourth proportional to 12,754,931,405.70, 19,132,397,108.55 and 12,582,938,727.30 is: 18,874,408,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,931,405.70 : 19,132,397,108.55 = 12,582,938,727.30 : x
  2. Step 2: Convert to fraction form
    12,754,931,405.70/19,132,397,108.55 = 12,582,938,727.30/x
  3. Step 3: Cross multiply
    12,754,931,405.70x = 19,132,397,108.55 × 12,582,938,727.30
  4. Step 4: Simplify right side
    12,754,931,405.70x = 240,741,780,523,256,315,904
  5. Step 5: Solve for x
    x = 240,741,780,523,256,315,904/12,754,931,405.70
  6. Step 6: Final answer
    x = 18,874,408,090.95

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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.