Home / 18,220,675.60-27,310,018.20-7,430,892.40

Finding the Fourth Proportional to 18,220,675.60, 27,310,018.20 and 7,430,892.40

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Solution

The fourth proportional to 18,220,675.60, 27,310,018.20 and 7,430,892.40 is: 11,137,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,675.60 : 27,310,018.20 = 7,430,892.40 : x
  2. Step 2: Convert to fraction form
    18,220,675.60/27,310,018.20 = 7,430,892.40/x
  3. Step 3: Cross multiply
    18,220,675.60x = 27,310,018.20 × 7,430,892.40
  4. Step 4: Simplify right side
    18,220,675.60x = 202,937,806,686,241.69
  5. Step 5: Solve for x
    x = 202,937,806,686,241.69/18,220,675.60
  6. Step 6: Final answer
    x = 11,137,776.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.