Home / 13,337,042.76-18,405,137.75-7,225,471.26

Finding the Fourth Proportional to 13,337,042.76, 18,405,137.75 and 7,225,471.26

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Solution

The fourth proportional to 13,337,042.76, 18,405,137.75 and 7,225,471.26 is: 9,971,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,042.76 : 18,405,137.75 = 7,225,471.26 : x
  2. Step 2: Convert to fraction form
    13,337,042.76/18,405,137.75 = 7,225,471.26/x
  3. Step 3: Cross multiply
    13,337,042.76x = 18,405,137.75 × 7,225,471.26
  4. Step 4: Simplify right side
    13,337,042.76x = 132,985,793,812,838.72
  5. Step 5: Solve for x
    x = 132,985,793,812,838.72/13,337,042.76
  6. Step 6: Final answer
    x = 9,971,160.49

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Double scale
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Similar ratio
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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.