Home / 12,249,918.40-18,373,477.80-3,275,170.24

Finding the Fourth Proportional to 12,249,918.40, 18,373,477.80 and 3,275,170.24

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Solution

The fourth proportional to 12,249,918.40, 18,373,477.80 and 3,275,170.24 is: 4,912,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,918.40 : 18,373,477.80 = 3,275,170.24 : x
  2. Step 2: Convert to fraction form
    12,249,918.40/18,373,477.80 = 3,275,170.24/x
  3. Step 3: Cross multiply
    12,249,918.40x = 18,373,477.80 × 3,275,170.24
  4. Step 4: Simplify right side
    12,249,918.40x = 60,176,267,695,860.68
  5. Step 5: Solve for x
    x = 60,176,267,695,860.68/12,249,918.40
  6. Step 6: Final answer
    x = 4,912,381.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.