Home / 30,551,486.40-42,150,731.68-17,319,243.84

Finding the Fourth Proportional to 30,551,486.40, 42,150,731.68 and 17,319,243.84

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Solution

The fourth proportional to 30,551,486.40, 42,150,731.68 and 17,319,243.84 is: 23,894,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,551,486.40 : 42,150,731.68 = 17,319,243.84 : x
  2. Step 2: Convert to fraction form
    30,551,486.40/42,150,731.68 = 17,319,243.84/x
  3. Step 3: Cross multiply
    30,551,486.40x = 42,150,731.68 × 17,319,243.84
  4. Step 4: Simplify right side
    30,551,486.40x = 730,018,800,000,332.88
  5. Step 5: Solve for x
    x = 730,018,800,000,332.88/30,551,486.40
  6. Step 6: Final answer
    x = 23,894,706.48

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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.