Home / 13,361,539.80-18,439,139.28-7,249,968.30

Finding the Fourth Proportional to 13,361,539.80, 18,439,139.28 and 7,249,968.30

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Solution

The fourth proportional to 13,361,539.80, 18,439,139.28 and 7,249,968.30 is: 10,005,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,539.80 : 18,439,139.28 = 7,249,968.30 : x
  2. Step 2: Convert to fraction form
    13,361,539.80/18,439,139.28 = 7,249,968.30/x
  3. Step 3: Cross multiply
    13,361,539.80x = 18,439,139.28 × 7,249,968.30
  4. Step 4: Simplify right side
    13,361,539.80x = 133,683,175,259,284.83
  5. Step 5: Solve for x
    x = 133,683,175,259,284.83/13,361,539.80
  6. Step 6: Final answer
    x = 10,005,072.56

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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.