Home / 31,533,153.98-43,507,517.22-18,473,392.35

Finding the Fourth Proportional to 31,533,153.98, 43,507,517.22 and 18,473,392.35

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Solution

The fourth proportional to 31,533,153.98, 43,507,517.22 and 18,473,392.35 is: 25,488,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533,153.98 : 43,507,517.22 = 18,473,392.35 : x
  2. Step 2: Convert to fraction form
    31,533,153.98/43,507,517.22 = 18,473,392.35/x
  3. Step 3: Cross multiply
    31,533,153.98x = 43,507,517.22 × 18,473,392.35
  4. Step 4: Simplify right side
    31,533,153.98x = 803,731,435,779,441.25
  5. Step 5: Solve for x
    x = 803,731,435,779,441.25/31,533,153.98
  6. Step 6: Final answer
    x = 25,488,456.89

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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.