Home / 13,459,226.48-18,573,638.05-7,347,654.98

Finding the Fourth Proportional to 13,459,226.48, 18,573,638.05 and 7,347,654.98

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Solution

The fourth proportional to 13,459,226.48, 18,573,638.05 and 7,347,654.98 is: 10,139,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459,226.48 : 18,573,638.05 = 7,347,654.98 : x
  2. Step 2: Convert to fraction form
    13,459,226.48/18,573,638.05 = 7,347,654.98/x
  3. Step 3: Cross multiply
    13,459,226.48x = 18,573,638.05 × 7,347,654.98
  4. Step 4: Simplify right side
    13,459,226.48x = 136,472,684,086,735.02
  5. Step 5: Solve for x
    x = 136,472,684,086,735.02/13,459,226.48
  6. Step 6: Final answer
    x = 10,139,712.29

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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.