Home / 21,725,405.80-32,588,108.70-19,457,924.20

Finding the Fourth Proportional to 21,725,405.80, 32,588,108.70 and 19,457,924.20

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Solution

The fourth proportional to 21,725,405.80, 32,588,108.70 and 19,457,924.20 is: 29,186,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725,405.80 : 32,588,108.70 = 19,457,924.20 : x
  2. Step 2: Convert to fraction form
    21,725,405.80/32,588,108.70 = 19,457,924.20/x
  3. Step 3: Cross multiply
    21,725,405.80x = 32,588,108.70 × 19,457,924.20
  4. Step 4: Simplify right side
    21,725,405.80x = 634,096,948,905,960.50
  5. Step 5: Solve for x
    x = 634,096,948,905,960.50/21,725,405.80
  6. Step 6: Final answer
    x = 29,186,886.30

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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.