Home / 12,226,136.39-16,865,328.75-9,930,311.27

Finding the Fourth Proportional to 12,226,136.39, 16,865,328.75 and 9,930,311.27

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Solution

The fourth proportional to 12,226,136.39, 16,865,328.75 and 9,930,311.27 is: 13,698,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,136.39 : 16,865,328.75 = 9,930,311.27 : x
  2. Step 2: Convert to fraction form
    12,226,136.39/16,865,328.75 = 9,930,311.27/x
  3. Step 3: Cross multiply
    12,226,136.39x = 16,865,328.75 × 9,930,311.27
  4. Step 4: Simplify right side
    12,226,136.39x = 167,477,964,074,053.38
  5. Step 5: Solve for x
    x = 167,477,964,074,053.38/12,226,136.39
  6. Step 6: Final answer
    x = 13,698,355.62

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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.