Home / 15,453,338.85-21,325,689.99-9,655,482.78

Finding the Fourth Proportional to 15,453,338.85, 21,325,689.99 and 9,655,482.78

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Solution

The fourth proportional to 15,453,338.85, 21,325,689.99 and 9,655,482.78 is: 13,324,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453,338.85 : 21,325,689.99 = 9,655,482.78 : x
  2. Step 2: Convert to fraction form
    15,453,338.85/21,325,689.99 = 9,655,482.78/x
  3. Step 3: Cross multiply
    15,453,338.85x = 21,325,689.99 × 9,655,482.78
  4. Step 4: Simplify right side
    15,453,338.85x = 205,909,832,470,063.34
  5. Step 5: Solve for x
    x = 205,909,832,470,063.34/15,453,338.85
  6. Step 6: Final answer
    x = 13,324,617.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.