Home / 12,754,931,406.70-19,132,397,110.05-12,582,938,728.30

Finding the Fourth Proportional to 12,754,931,406.70, 19,132,397,110.05 and 12,582,938,728.30

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Solution

The fourth proportional to 12,754,931,406.70, 19,132,397,110.05 and 12,582,938,728.30 is: 18,874,408,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,931,406.70 : 19,132,397,110.05 = 12,582,938,728.30 : x
  2. Step 2: Convert to fraction form
    12,754,931,406.70/19,132,397,110.05 = 12,582,938,728.30/x
  3. Step 3: Cross multiply
    12,754,931,406.70x = 19,132,397,110.05 × 12,582,938,728.30
  4. Step 4: Simplify right side
    12,754,931,406.70x = 240,741,780,561,263,132,672
  5. Step 5: Solve for x
    x = 240,741,780,561,263,132,672/12,754,931,406.70
  6. Step 6: Final answer
    x = 18,874,408,092.45

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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.