Home / 10,921,901.90-16,393,350.45-5,536,633.10

Finding the Fourth Proportional to 10,921,901.90, 16,393,350.45 and 5,536,633.10

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Solution

The fourth proportional to 10,921,901.90, 16,393,350.45 and 5,536,633.10 is: 8,310,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,901.90 : 16,393,350.45 = 5,536,633.10 : x
  2. Step 2: Convert to fraction form
    10,921,901.90/16,393,350.45 = 5,536,633.10/x
  3. Step 3: Cross multiply
    10,921,901.90x = 16,393,350.45 × 5,536,633.10
  4. Step 4: Simplify right side
    10,921,901.90x = 90,763,966,721,369.89
  5. Step 5: Solve for x
    x = 90,763,966,721,369.89/10,921,901.90
  6. Step 6: Final answer
    x = 8,310,271.19

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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.