Home / 20,714,713.84-28,589,672.32-12,463,116.40

Finding the Fourth Proportional to 20,714,713.84, 28,589,672.32 and 12,463,116.40

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Solution

The fourth proportional to 20,714,713.84, 28,589,672.32 and 12,463,116.40 is: 17,201,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714,713.84 : 28,589,672.32 = 12,463,116.40 : x
  2. Step 2: Convert to fraction form
    20,714,713.84/28,589,672.32 = 12,463,116.40/x
  3. Step 3: Cross multiply
    20,714,713.84x = 28,589,672.32 × 12,463,116.40
  4. Step 4: Simplify right side
    20,714,713.84x = 356,316,413,962,018.06
  5. Step 5: Solve for x
    x = 356,316,413,962,018.06/20,714,713.84
  6. Step 6: Final answer
    x = 17,201,126.54

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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.