Home / 14,583,610.80-21,875,416.20-12,945,985.20

Finding the Fourth Proportional to 14,583,610.80, 21,875,416.20 and 12,945,985.20

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Solution

The fourth proportional to 14,583,610.80, 21,875,416.20 and 12,945,985.20 is: 19,418,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583,610.80 : 21,875,416.20 = 12,945,985.20 : x
  2. Step 2: Convert to fraction form
    14,583,610.80/21,875,416.20 = 12,945,985.20/x
  3. Step 3: Cross multiply
    14,583,610.80x = 21,875,416.20 × 12,945,985.20
  4. Step 4: Simplify right side
    14,583,610.80x = 283,198,814,369,040.19
  5. Step 5: Solve for x
    x = 283,198,814,369,040.19/14,583,610.80
  6. Step 6: Final answer
    x = 19,418,977.80

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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.