Home / 12,302,218.80-18,453,328.20-11,742,346.80

Finding the Fourth Proportional to 12,302,218.80, 18,453,328.20 and 11,742,346.80

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Solution

The fourth proportional to 12,302,218.80, 18,453,328.20 and 11,742,346.80 is: 17,613,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,218.80 : 18,453,328.20 = 11,742,346.80 : x
  2. Step 2: Convert to fraction form
    12,302,218.80/18,453,328.20 = 11,742,346.80/x
  3. Step 3: Cross multiply
    12,302,218.80x = 18,453,328.20 × 11,742,346.80
  4. Step 4: Simplify right side
    12,302,218.80x = 216,685,379,338,619.75
  5. Step 5: Solve for x
    x = 216,685,379,338,619.75/12,302,218.80
  6. Step 6: Final answer
    x = 17,613,520.20

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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.