Home / 13,390,081.50-18,231,107.13-13,347,566.22

Finding the Fourth Proportional to 13,390,081.50, 18,231,107.13 and 13,347,566.22

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Solution

The fourth proportional to 13,390,081.50, 18,231,107.13 and 13,347,566.22 is: 18,173,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390,081.50 : 18,231,107.13 = 13,347,566.22 : x
  2. Step 2: Convert to fraction form
    13,390,081.50/18,231,107.13 = 13,347,566.22/x
  3. Step 3: Cross multiply
    13,390,081.50x = 18,231,107.13 × 13,347,566.22
  4. Step 4: Simplify right side
    13,390,081.50x = 243,340,909,800,009.19
  5. Step 5: Solve for x
    x = 243,340,909,800,009.19/13,390,081.50
  6. Step 6: Final answer
    x = 18,173,220.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.