Home / 14,365,371.60-19,824,633.45-7,839,421.56

Finding the Fourth Proportional to 14,365,371.60, 19,824,633.45 and 7,839,421.56

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Solution

The fourth proportional to 14,365,371.60, 19,824,633.45 and 7,839,421.56 is: 10,818,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365,371.60 : 19,824,633.45 = 7,839,421.56 : x
  2. Step 2: Convert to fraction form
    14,365,371.60/19,824,633.45 = 7,839,421.56/x
  3. Step 3: Cross multiply
    14,365,371.60x = 19,824,633.45 × 7,839,421.56
  4. Step 4: Simplify right side
    14,365,371.60x = 155,413,658,887,027.16
  5. Step 5: Solve for x
    x = 155,413,658,887,027.16/14,365,371.60
  6. Step 6: Final answer
    x = 10,818,631.30

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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.