Home / 42,638,695-63,958,053.40-11,937,797.34

Finding the Fourth Proportional to 42,638,695, 63,958,053.40 and 11,937,797.34

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Solution

The fourth proportional to 42,638,695, 63,958,053.40 and 11,937,797.34 is: 17,906,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,638,695 : 63,958,053.40 = 11,937,797.34 : x
  2. Step 2: Convert to fraction form
    42,638,695/63,958,053.40 = 11,937,797.34/x
  3. Step 3: Cross multiply
    42,638,695x = 63,958,053.40 × 11,937,797.34
  4. Step 4: Simplify right side
    42,638,695x = 763,518,279,750,097.88
  5. Step 5: Solve for x
    x = 763,518,279,750,097.88/42,638,695
  6. Step 6: Final answer
    x = 17,906,699.06

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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.