Home / 20,637,008.10-30,955,512.15-11,679,056.10

Finding the Fourth Proportional to 20,637,008.10, 30,955,512.15 and 11,679,056.10

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Solution

The fourth proportional to 20,637,008.10, 30,955,512.15 and 11,679,056.10 is: 17,518,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637,008.10 : 30,955,512.15 = 11,679,056.10 : x
  2. Step 2: Convert to fraction form
    20,637,008.10/30,955,512.15 = 11,679,056.10/x
  3. Step 3: Cross multiply
    20,637,008.10x = 30,955,512.15 × 11,679,056.10
  4. Step 4: Simplify right side
    20,637,008.10x = 361,531,163,004,081.56
  5. Step 5: Solve for x
    x = 361,531,163,004,081.56/20,637,008.10
  6. Step 6: Final answer
    x = 17,518,584.15

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1.5x scale

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.