Home / 15,323,054,502.55-21,146,336,961.42-8,892,376,596.90

Finding the Fourth Proportional to 15,323,054,502.55, 21,146,336,961.42 and 8,892,376,596.90

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Solution

The fourth proportional to 15,323,054,502.55, 21,146,336,961.42 and 8,892,376,596.90 is: 12,271,782,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323,054,502.55 : 21,146,336,961.42 = 8,892,376,596.90 : x
  2. Step 2: Convert to fraction form
    15,323,054,502.55/21,146,336,961.42 = 8,892,376,596.90/x
  3. Step 3: Cross multiply
    15,323,054,502.55x = 21,146,336,961.42 × 8,892,376,596.90
  4. Step 4: Simplify right side
    15,323,054,502.55x = 188,041,191,905,892,630,528
  5. Step 5: Solve for x
    x = 188,041,191,905,892,630,528/15,323,054,502.55
  6. Step 6: Final answer
    x = 12,271,782,487.92

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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.