Home / 34,454,961.40-47,549,964.78-18,985,042

Finding the Fourth Proportional to 34,454,961.40, 47,549,964.78 and 18,985,042

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Solution

The fourth proportional to 34,454,961.40, 47,549,964.78 and 18,985,042 is: 26,200,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,454,961.40 : 47,549,964.78 = 18,985,042 : x
  2. Step 2: Convert to fraction form
    34,454,961.40/47,549,964.78 = 18,985,042/x
  3. Step 3: Cross multiply
    34,454,961.40x = 47,549,964.78 × 18,985,042
  4. Step 4: Simplify right side
    34,454,961.40x = 902,738,078,446,820.75
  5. Step 5: Solve for x
    x = 902,738,078,446,820.75/34,454,961.40
  6. Step 6: Final answer
    x = 26,200,525.03

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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.