Home / 20,951,707,462.02-28,909,040,143.77-12,039,314,346.18

Finding the Fourth Proportional to 20,951,707,462.02, 28,909,040,143.77 and 12,039,314,346.18

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Solution

The fourth proportional to 20,951,707,462.02, 28,909,040,143.77 and 12,039,314,346.18 is: 16,611,773,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,707,462.02 : 28,909,040,143.77 = 12,039,314,346.18 : x
  2. Step 2: Convert to fraction form
    20,951,707,462.02/28,909,040,143.77 = 12,039,314,346.18/x
  3. Step 3: Cross multiply
    20,951,707,462.02x = 28,909,040,143.77 × 12,039,314,346.18
  4. Step 4: Simplify right side
    20,951,707,462.02x = 348,045,021,737,183,674,368
  5. Step 5: Solve for x
    x = 348,045,021,737,183,674,368/20,951,707,462.02
  6. Step 6: Final answer
    x = 16,611,773,640.32

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1.5x scale

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.