Home / 21,482,989.05-32,224,168.05-5,308,939.88

Finding the Fourth Proportional to 21,482,989.05, 32,224,168.05 and 5,308,939.88

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Solution

The fourth proportional to 21,482,989.05, 32,224,168.05 and 5,308,939.88 is: 7,963,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,989.05 : 32,224,168.05 = 5,308,939.88 : x
  2. Step 2: Convert to fraction form
    21,482,989.05/32,224,168.05 = 5,308,939.88/x
  3. Step 3: Cross multiply
    21,482,989.05x = 32,224,168.05 × 5,308,939.88
  4. Step 4: Simplify right side
    21,482,989.05x = 171,076,170,699,346
  5. Step 5: Solve for x
    x = 171,076,170,699,346/21,482,989.05
  6. Step 6: Final answer
    x = 7,963,331.84

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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.