Home / 15,734,487-21,714,261.84-8,765,156.16

Finding the Fourth Proportional to 15,734,487, 21,714,261.84 and 8,765,156.16

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Solution

The fourth proportional to 15,734,487, 21,714,261.84 and 8,765,156.16 is: 12,096,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734,487 : 21,714,261.84 = 8,765,156.16 : x
  2. Step 2: Convert to fraction form
    15,734,487/21,714,261.84 = 8,765,156.16/x
  3. Step 3: Cross multiply
    15,734,487x = 21,714,261.84 × 8,765,156.16
  4. Step 4: Simplify right side
    15,734,487x = 190,328,895,926,728.94
  5. Step 5: Solve for x
    x = 190,328,895,926,728.94/15,734,487
  6. Step 6: Final answer
    x = 12,096,288.61

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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.