Home / 9,839,813.31-13,579,030.76-5,429,735.10

Finding the Fourth Proportional to 9,839,813.31, 13,579,030.76 and 5,429,735.10

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Solution

The fourth proportional to 9,839,813.31, 13,579,030.76 and 5,429,735.10 is: 7,493,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839,813.31 : 13,579,030.76 = 5,429,735.10 : x
  2. Step 2: Convert to fraction form
    9,839,813.31/13,579,030.76 = 5,429,735.10/x
  3. Step 3: Cross multiply
    9,839,813.31x = 13,579,030.76 × 5,429,735.10
  4. Step 4: Simplify right side
    9,839,813.31x = 73,730,539,914,403
  5. Step 5: Solve for x
    x = 73,730,539,914,403/9,839,813.31
  6. Step 6: Final answer
    x = 7,493,083.21

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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.