Home / 12,411,613,861.20-18,626,490,718.20-8,738,293,669.20

Finding the Fourth Proportional to 12,411,613,861.20, 18,626,490,718.20 and 8,738,293,669.20

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Solution

The fourth proportional to 12,411,613,861.20, 18,626,490,718.20 and 8,738,293,669.20 is: 13,113,826,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,613,861.20 : 18,626,490,718.20 = 8,738,293,669.20 : x
  2. Step 2: Convert to fraction form
    12,411,613,861.20/18,626,490,718.20 = 8,738,293,669.20/x
  3. Step 3: Cross multiply
    12,411,613,861.20x = 18,626,490,718.20 × 8,738,293,669.20
  4. Step 4: Simplify right side
    12,411,613,861.20x = 162,763,745,922,259,648,512
  5. Step 5: Solve for x
    x = 162,763,745,922,259,648,512/12,411,613,861.20
  6. Step 6: Final answer
    x = 13,113,826,110.16

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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.