Home / 13,930,736.48-19,223,361.72-7,817,984

Finding the Fourth Proportional to 13,930,736.48, 19,223,361.72 and 7,817,984

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Solution

The fourth proportional to 13,930,736.48, 19,223,361.72 and 7,817,984 is: 10,788,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930,736.48 : 19,223,361.72 = 7,817,984 : x
  2. Step 2: Convert to fraction form
    13,930,736.48/19,223,361.72 = 7,817,984/x
  3. Step 3: Cross multiply
    13,930,736.48x = 19,223,361.72 × 7,817,984
  4. Step 4: Simplify right side
    13,930,736.48x = 150,287,934,353,172.47
  5. Step 5: Solve for x
    x = 150,287,934,353,172.47/13,930,736.48
  6. Step 6: Final answer
    x = 10,788,226.06

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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.