Home / 31,584,036.84-43,586,271.27-18,531,517.80

Finding the Fourth Proportional to 31,584,036.84, 43,586,271.27 and 18,531,517.80

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Solution

The fourth proportional to 31,584,036.84, 43,586,271.27 and 18,531,517.80 is: 25,573,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,036.84 : 43,586,271.27 = 18,531,517.80 : x
  2. Step 2: Convert to fraction form
    31,584,036.84/43,586,271.27 = 18,531,517.80/x
  3. Step 3: Cross multiply
    31,584,036.84x = 43,586,271.27 × 18,531,517.80
  4. Step 4: Simplify right side
    31,584,036.84x = 807,719,761,875,633.75
  5. Step 5: Solve for x
    x = 807,719,761,875,633.75/31,584,036.84
  6. Step 6: Final answer
    x = 25,573,670.84

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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.