Home / 31,349,079.85-43,276,208.01-18,796,074.95

Finding the Fourth Proportional to 31,349,079.85, 43,276,208.01 and 18,796,074.95

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Solution

The fourth proportional to 31,349,079.85, 43,276,208.01 and 18,796,074.95 is: 25,947,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349,079.85 : 43,276,208.01 = 18,796,074.95 : x
  2. Step 2: Convert to fraction form
    31,349,079.85/43,276,208.01 = 18,796,074.95/x
  3. Step 3: Cross multiply
    31,349,079.85x = 43,276,208.01 × 18,796,074.95
  4. Step 4: Simplify right side
    31,349,079.85x = 813,422,849,091,369.25
  5. Step 5: Solve for x
    x = 813,422,849,091,369.25/31,349,079.85
  6. Step 6: Final answer
    x = 25,947,263.94

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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.