Home / 31,100,415-42,927,108.84-18,051,877.80

Finding the Fourth Proportional to 31,100,415, 42,927,108.84 and 18,051,877.80

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Solution

The fourth proportional to 31,100,415, 42,927,108.84 and 18,051,877.80 is: 24,916,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,415 : 42,927,108.84 = 18,051,877.80 : x
  2. Step 2: Convert to fraction form
    31,100,415/42,927,108.84 = 18,051,877.80/x
  3. Step 3: Cross multiply
    31,100,415x = 42,927,108.84 × 18,051,877.80
  4. Step 4: Simplify right side
    31,100,415x = 774,914,923,086,979.88
  5. Step 5: Solve for x
    x = 774,914,923,086,979.88/31,100,415
  6. Step 6: Final answer
    x = 24,916,546.07

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1.5x scale

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.