Home / 30,363,726.88-41,897,804.88-18,137,988.64

Finding the Fourth Proportional to 30,363,726.88, 41,897,804.88 and 18,137,988.64

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Solution

The fourth proportional to 30,363,726.88, 41,897,804.88 and 18,137,988.64 is: 25,027,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363,726.88 : 41,897,804.88 = 18,137,988.64 : x
  2. Step 2: Convert to fraction form
    30,363,726.88/41,897,804.88 = 18,137,988.64/x
  3. Step 3: Cross multiply
    30,363,726.88x = 41,897,804.88 × 18,137,988.64
  4. Step 4: Simplify right side
    30,363,726.88x = 759,941,908,954,376.62
  5. Step 5: Solve for x
    x = 759,941,908,954,376.62/30,363,726.88
  6. Step 6: Final answer
    x = 25,027,952.33

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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.