Home / 39,428,995.12-59,149,096.26-12,137,558.20

Finding the Fourth Proportional to 39,428,995.12, 59,149,096.26 and 12,137,558.20

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Solution

The fourth proportional to 39,428,995.12, 59,149,096.26 and 12,137,558.20 is: 18,208,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428,995.12 : 59,149,096.26 = 12,137,558.20 : x
  2. Step 2: Convert to fraction form
    39,428,995.12/59,149,096.26 = 12,137,558.20/x
  3. Step 3: Cross multiply
    39,428,995.12x = 59,149,096.26 × 12,137,558.20
  4. Step 4: Simplify right side
    39,428,995.12x = 717,925,598,333,152.25
  5. Step 5: Solve for x
    x = 717,925,598,333,152.25/39,428,995.12
  6. Step 6: Final answer
    x = 18,208,062.27

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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.