Home / 39,903,939.28-55,068,048.88-23,380,109.36

Finding the Fourth Proportional to 39,903,939.28, 55,068,048.88 and 23,380,109.36

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Solution

The fourth proportional to 39,903,939.28, 55,068,048.88 and 23,380,109.36 is: 32,264,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903,939.28 : 55,068,048.88 = 23,380,109.36 : x
  2. Step 2: Convert to fraction form
    39,903,939.28/55,068,048.88 = 23,380,109.36/x
  3. Step 3: Cross multiply
    39,903,939.28x = 55,068,048.88 × 23,380,109.36
  4. Step 4: Simplify right side
    39,903,939.28x = 1,287,497,005,056,225.50
  5. Step 5: Solve for x
    x = 1,287,497,005,056,225.50/39,903,939.28
  6. Step 6: Final answer
    x = 32,264,909.89

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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.