Home / 20,136,860.10-30,221,036.55-9,355,496.85

Finding the Fourth Proportional to 20,136,860.10, 30,221,036.55 and 9,355,496.85

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Solution

The fourth proportional to 20,136,860.10, 30,221,036.55 and 9,355,496.85 is: 14,040,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,860.10 : 30,221,036.55 = 9,355,496.85 : x
  2. Step 2: Convert to fraction form
    20,136,860.10/30,221,036.55 = 9,355,496.85/x
  3. Step 3: Cross multiply
    20,136,860.10x = 30,221,036.55 × 9,355,496.85
  4. Step 4: Simplify right side
    20,136,860.10x = 282,732,812,247,259.88
  5. Step 5: Solve for x
    x = 282,732,812,247,259.88/20,136,860.10
  6. Step 6: Final answer
    x = 14,040,560.98

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1.5x scale

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.