Home / 14,365,642.16-19,825,004.84-7,839,691.92

Finding the Fourth Proportional to 14,365,642.16, 19,825,004.84 and 7,839,691.92

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Solution

The fourth proportional to 14,365,642.16, 19,825,004.84 and 7,839,691.92 is: 10,819,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,642.16 : 19,825,004.84 = 7,839,691.92 : x
  2. Step 2: Convert to fraction form
    14,365,642.16/19,825,004.84 = 7,839,691.92/x
  3. Step 3: Cross multiply
    14,365,642.16x = 19,825,004.84 × 7,839,691.92
  4. Step 4: Simplify right side
    14,365,642.16x = 155,421,930,258,108.88
  5. Step 5: Solve for x
    x = 155,421,930,258,108.88/14,365,642.16
  6. Step 6: Final answer
    x = 10,819,003.32

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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.