Home / 14,660,883.80-21,991,325.70-12,393,402.20

Finding the Fourth Proportional to 14,660,883.80, 21,991,325.70 and 12,393,402.20

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Solution

The fourth proportional to 14,660,883.80, 21,991,325.70 and 12,393,402.20 is: 18,590,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660,883.80 : 21,991,325.70 = 12,393,402.20 : x
  2. Step 2: Convert to fraction form
    14,660,883.80/21,991,325.70 = 12,393,402.20/x
  3. Step 3: Cross multiply
    14,660,883.80x = 21,991,325.70 × 12,393,402.20
  4. Step 4: Simplify right side
    14,660,883.80x = 272,547,344,311,296.50
  5. Step 5: Solve for x
    x = 272,547,344,311,296.50/14,660,883.80
  6. Step 6: Final answer
    x = 18,590,103.30

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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.