Home / 10,921,518.90-16,392,775.95-5,536,250.10

Finding the Fourth Proportional to 10,921,518.90, 16,392,775.95 and 5,536,250.10

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Solution

The fourth proportional to 10,921,518.90, 16,392,775.95 and 5,536,250.10 is: 8,309,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,518.90 : 16,392,775.95 = 5,536,250.10 : x
  2. Step 2: Convert to fraction form
    10,921,518.90/16,392,775.95 = 5,536,250.10/x
  3. Step 3: Cross multiply
    10,921,518.90x = 16,392,775.95 × 5,536,250.10
  4. Step 4: Simplify right side
    10,921,518.90x = 90,754,507,492,465.08
  5. Step 5: Solve for x
    x = 90,754,507,492,465.08/10,921,518.90
  6. Step 6: Final answer
    x = 8,309,696.51

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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.