Home / 31,100,780.24-42,927,614.28-18,052,242.94

Finding the Fourth Proportional to 31,100,780.24, 42,927,614.28 and 18,052,242.94

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Solution

The fourth proportional to 31,100,780.24, 42,927,614.28 and 18,052,242.94 is: 24,917,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,780.24 : 42,927,614.28 = 18,052,242.94 : x
  2. Step 2: Convert to fraction form
    31,100,780.24/42,927,614.28 = 18,052,242.94/x
  3. Step 3: Cross multiply
    31,100,780.24x = 42,927,614.28 × 18,052,242.94
  4. Step 4: Simplify right side
    31,100,780.24x = 774,939,721,817,173.25
  5. Step 5: Solve for x
    x = 774,939,721,817,173.25/31,100,780.24
  6. Step 6: Final answer
    x = 24,917,050.82

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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.