Home / 31,584,030.86-43,586,263.01-18,531,511.82

Finding the Fourth Proportional to 31,584,030.86, 43,586,263.01 and 18,531,511.82

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Solution

The fourth proportional to 31,584,030.86, 43,586,263.01 and 18,531,511.82 is: 25,573,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584,030.86 : 43,586,263.01 = 18,531,511.82 : x
  2. Step 2: Convert to fraction form
    31,584,030.86/43,586,263.01 = 18,531,511.82/x
  3. Step 3: Cross multiply
    31,584,030.86x = 43,586,263.01 × 18,531,511.82
  4. Step 4: Simplify right side
    31,584,030.86x = 807,719,348,159,443.75
  5. Step 5: Solve for x
    x = 807,719,348,159,443.75/31,584,030.86
  6. Step 6: Final answer
    x = 25,573,662.58

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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.