Home / 13,337,285.79-18,405,542.75-7,225,714.29

Finding the Fourth Proportional to 13,337,285.79, 18,405,542.75 and 7,225,714.29

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Solution

The fourth proportional to 13,337,285.79, 18,405,542.75 and 7,225,714.29 is: 9,971,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,285.79 : 18,405,542.75 = 7,225,714.29 : x
  2. Step 2: Convert to fraction form
    13,337,285.79/18,405,542.75 = 7,225,714.29/x
  3. Step 3: Cross multiply
    13,337,285.79x = 18,405,542.75 × 7,225,714.29
  4. Step 4: Simplify right side
    13,337,285.79x = 132,993,193,227,752.33
  5. Step 5: Solve for x
    x = 132,993,193,227,752.33/13,337,285.79
  6. Step 6: Final answer
    x = 9,971,533.59

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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.