Home / 42,638,694-63,958,051.90-11,937,796.34

Finding the Fourth Proportional to 42,638,694, 63,958,051.90 and 11,937,796.34

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Solution

The fourth proportional to 42,638,694, 63,958,051.90 and 11,937,796.34 is: 17,906,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,638,694 : 63,958,051.90 = 11,937,796.34 : x
  2. Step 2: Convert to fraction form
    42,638,694/63,958,051.90 = 11,937,796.34/x
  3. Step 3: Cross multiply
    42,638,694x = 63,958,051.90 × 11,937,796.34
  4. Step 4: Simplify right side
    42,638,694x = 763,518,197,885,350
  5. Step 5: Solve for x
    x = 763,518,197,885,350/42,638,694
  6. Step 6: Final answer
    x = 17,906,697.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.