Home / 12,314,668.60-18,472,002.90-5,123,812.60

Finding the Fourth Proportional to 12,314,668.60, 18,472,002.90 and 5,123,812.60

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Solution

The fourth proportional to 12,314,668.60, 18,472,002.90 and 5,123,812.60 is: 7,685,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,314,668.60 : 18,472,002.90 = 5,123,812.60 : x
  2. Step 2: Convert to fraction form
    12,314,668.60/18,472,002.90 = 5,123,812.60/x
  3. Step 3: Cross multiply
    12,314,668.60x = 18,472,002.90 × 5,123,812.60
  4. Step 4: Simplify right side
    12,314,668.60x = 94,647,081,206,256.53
  5. Step 5: Solve for x
    x = 94,647,081,206,256.53/12,314,668.60
  6. Step 6: Final answer
    x = 7,685,718.90

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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.