Home / 13,340,136-18,409,451.52-7,228,575.36

Finding the Fourth Proportional to 13,340,136, 18,409,451.52 and 7,228,575.36

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Solution

The fourth proportional to 13,340,136, 18,409,451.52 and 7,228,575.36 is: 9,975,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340,136 : 18,409,451.52 = 7,228,575.36 : x
  2. Step 2: Convert to fraction form
    13,340,136/18,409,451.52 = 7,228,575.36/x
  3. Step 3: Cross multiply
    13,340,136x = 18,409,451.52 × 7,228,575.36
  4. Step 4: Simplify right side
    13,340,136x = 133,074,107,648,586.55
  5. Step 5: Solve for x
    x = 133,074,107,648,586.55/13,340,136
  6. Step 6: Final answer
    x = 9,975,468.59

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1.5x scale

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.