Home / 13,217,048.04-18,239,840.72-7,416,258.80

Finding the Fourth Proportional to 13,217,048.04, 18,239,840.72 and 7,416,258.80

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Solution

The fourth proportional to 13,217,048.04, 18,239,840.72 and 7,416,258.80 is: 10,234,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,048.04 : 18,239,840.72 = 7,416,258.80 : x
  2. Step 2: Convert to fraction form
    13,217,048.04/18,239,840.72 = 7,416,258.80/x
  3. Step 3: Cross multiply
    13,217,048.04x = 18,239,840.72 × 7,416,258.80
  4. Step 4: Simplify right side
    13,217,048.04x = 135,271,379,250,298.33
  5. Step 5: Solve for x
    x = 135,271,379,250,298.33/13,217,048.04
  6. Step 6: Final answer
    x = 10,234,613.57

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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.