Home / 18,289,122.60-25,227,421.38-11,751,515.40

Finding the Fourth Proportional to 18,289,122.60, 25,227,421.38 and 11,751,515.40

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Solution

The fourth proportional to 18,289,122.60, 25,227,421.38 and 11,751,515.40 is: 16,209,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289,122.60 : 25,227,421.38 = 11,751,515.40 : x
  2. Step 2: Convert to fraction form
    18,289,122.60/25,227,421.38 = 11,751,515.40/x
  3. Step 3: Cross multiply
    18,289,122.60x = 25,227,421.38 × 11,751,515.40
  4. Step 4: Simplify right side
    18,289,122.60x = 296,460,430,849,359.25
  5. Step 5: Solve for x
    x = 296,460,430,849,359.25/18,289,122.60
  6. Step 6: Final answer
    x = 16,209,658.46

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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.