Home / 14,478,109.40-21,712,341.66-5,839,978.88

Finding the Fourth Proportional to 14,478,109.40, 21,712,341.66 and 5,839,978.88

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Solution

The fourth proportional to 14,478,109.40, 21,712,341.66 and 5,839,978.88 is: 8,758,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478,109.40 : 21,712,341.66 = 5,839,978.88 : x
  2. Step 2: Convert to fraction form
    14,478,109.40/21,712,341.66 = 5,839,978.88/x
  3. Step 3: Cross multiply
    14,478,109.40x = 21,712,341.66 × 5,839,978.88
  4. Step 4: Simplify right side
    14,478,109.40x = 126,799,616,729,744.14
  5. Step 5: Solve for x
    x = 126,799,616,729,744.14/14,478,109.40
  6. Step 6: Final answer
    x = 8,758,023.11

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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.