Home / 14,012,687.80-21,019,031.70-12,595,511.80

Finding the Fourth Proportional to 14,012,687.80, 21,019,031.70 and 12,595,511.80

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Solution

The fourth proportional to 14,012,687.80, 21,019,031.70 and 12,595,511.80 is: 18,893,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,687.80 : 21,019,031.70 = 12,595,511.80 : x
  2. Step 2: Convert to fraction form
    14,012,687.80/21,019,031.70 = 12,595,511.80/x
  3. Step 3: Cross multiply
    14,012,687.80x = 21,019,031.70 × 12,595,511.80
  4. Step 4: Simplify right side
    14,012,687.80x = 264,745,461,801,924.06
  5. Step 5: Solve for x
    x = 264,745,461,801,924.06/14,012,687.80
  6. Step 6: Final answer
    x = 18,893,267.70

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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.