Home / 39,345,652.80-59,018,479.20-12,419,308.80

Finding the Fourth Proportional to 39,345,652.80, 59,018,479.20 and 12,419,308.80

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Solution

The fourth proportional to 39,345,652.80, 59,018,479.20 and 12,419,308.80 is: 18,628,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,345,652.80 : 59,018,479.20 = 12,419,308.80 : x
  2. Step 2: Convert to fraction form
    39,345,652.80/59,018,479.20 = 12,419,308.80/x
  3. Step 3: Cross multiply
    39,345,652.80x = 59,018,479.20 × 12,419,308.80
  4. Step 4: Simplify right side
    39,345,652.80x = 732,968,718,091,177
  5. Step 5: Solve for x
    x = 732,968,718,091,177/39,345,652.80
  6. Step 6: Final answer
    x = 18,628,963.20

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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.